225680

素因数分解:

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

素因数の和:64

約数の個数: 80

約数和(自身を含む): 666624

約数和(自身を除く): 440944

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, 182, 208, 217, 248, 260, 280, 310, 364, 403, 434, 455, 496, 520, 560, 620, 728, 806, 868, 910, 1040, 1085, 1240, 1456, 1612, 1736, 1820, 2015, 2170, 2480, 2821, 3224, 3472, 3640, 4030, 4340, 5642, 6448, 7280, 8060, 8680, 11284, 14105, 16120, 17360, 22568, 28210, 32240, 45136, 56420, 112840, 225680]

約数ペア:

[(1, 225680), (2, 112840), (4, 56420), (5, 45136), (7, 32240), (8, 28210), (10, 22568), (13, 17360), (14, 16120), (16, 14105), (20, 11284), (26, 8680), (28, 8060), (31, 7280), (35, 6448), (40, 5642), (52, 4340), (56, 4030), (62, 3640), (65, 3472), (70, 3224), (80, 2821), (91, 2480), (104, 2170), (112, 2015), (124, 1820), (130, 1736), (140, 1612), (155, 1456), (182, 1240), (208, 1085), (217, 1040), (248, 910), (260, 868), (280, 806), (310, 728), (364, 620), (403, 560), (434, 520), (455, 496)]