38139920

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^3\times {\mathrm{31}}^1$

素因数の和:90

約数の個数: 160

約数和(自身を含む): 113326080

約数和(自身を除く): 75186160

約数列:

[1, 2, 4, 5, 7, 8, 10, 13, 14, 16, 20, 26, 28, 31, 35, 40, 52, 56, 62, 65, 70, 80, 91, 104, 112, 124, 130, 140, 155, 169, 182, 208, 217, 248, 260, 280, 310, 338, 364, 403, 434, 455, 496, 520, 560, 620, 676, 728, 806, 845, 868, 910, 1040, 1085, 1183, 1240, 1352, 1456, 1612, 1690, 1736, 1820, 2015, 2170, 2197, 2366, 2480, 2704, 2821, 3224, 3380, 3472, 3640, 4030, 4340, 4394, 4732, 5239, 5642, 5915, 6448, 6760, 7280, 8060, 8680, 8788, 9464, 10478, 10985, 11284, 11830, 13520, 14105, 15379, 16120, 17360, 17576, 18928, 20956, 21970, 22568, 23660, 26195, 28210, 30758, 32240, 35152, 36673, 41912, 43940, 45136, 47320, 52390, 56420, 61516, 68107, 73346, 76895, 83824, 87880, 94640, 104780, 112840, 123032, 136214, 146692, 153790, 175760, 183365, 209560, 225680, 246064, 272428, 293384, 307580, 340535, 366730, 419120, 476749, 544856, 586768, 615160, 681070, 733460, 953498, 1089712, 1230320, 1362140, 1466920, 1906996, 2383745, 2724280, 2933840, 3813992, 4767490, 5448560, 7627984, 9534980, 19069960, 38139920]

約数ペア:

[(1, 38139920), (2, 19069960), (4, 9534980), (5, 7627984), (7, 5448560), (8, 4767490), (10, 3813992), (13, 2933840), (14, 2724280), (16, 2383745), (20, 1906996), (26, 1466920), (28, 1362140), (31, 1230320), (35, 1089712), (40, 953498), (52, 733460), (56, 681070), (62, 615160), (65, 586768), (70, 544856), (80, 476749), (91, 419120), (104, 366730), (112, 340535), (124, 307580), (130, 293384), (140, 272428), (155, 246064), (169, 225680), (182, 209560), (208, 183365), (217, 175760), (248, 153790), (260, 146692), (280, 136214), (310, 123032), (338, 112840), (364, 104780), (403, 94640), (434, 87880), (455, 83824), (496, 76895), (520, 73346), (560, 68107), (620, 61516), (676, 56420), (728, 52390), (806, 47320), (845, 45136), (868, 43940), (910, 41912), (1040, 36673), (1085, 35152), (1183, 32240), (1240, 30758), (1352, 28210), (1456, 26195), (1612, 23660), (1690, 22568), (1736, 21970), (1820, 20956), (2015, 18928), (2170, 17576), (2197, 17360), (2366, 16120), (2480, 15379), (2704, 14105), (2821, 13520), (3224, 11830), (3380, 11284), (3472, 10985), (3640, 10478), (4030, 9464), (4340, 8788), (4394, 8680), (4732, 8060), (5239, 7280), (5642, 6760), (5915, 6448)]