25501840

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1$

素因数の和:177

約数の個数: 160

約数和(自身を含む): 75995136

約数和(自身を除く): 50493296

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, 113, 124, 130, 140, 155, 182, 208, 217, 226, 248, 260, 280, 310, 364, 403, 434, 452, 455, 496, 520, 560, 565, 620, 728, 791, 806, 868, 904, 910, 1040, 1085, 1130, 1240, 1456, 1469, 1582, 1612, 1736, 1808, 1820, 2015, 2170, 2260, 2480, 2821, 2938, 3164, 3224, 3472, 3503, 3640, 3955, 4030, 4340, 4520, 5642, 5876, 6328, 6448, 7006, 7280, 7345, 7910, 8060, 8680, 9040, 10283, 11284, 11752, 12656, 14012, 14105, 14690, 15820, 16120, 17360, 17515, 20566, 22568, 23504, 24521, 28024, 28210, 29380, 31640, 32240, 35030, 41132, 45136, 45539, 49042, 51415, 56048, 56420, 58760, 63280, 70060, 82264, 91078, 98084, 102830, 112840, 117520, 122605, 140120, 164528, 182156, 196168, 205660, 225680, 227695, 245210, 280240, 318773, 364312, 392336, 411320, 455390, 490420, 637546, 728624, 822640, 910780, 980840, 1275092, 1593865, 1821560, 1961680, 2550184, 3187730, 3643120, 5100368, 6375460, 12750920, 25501840]

約数ペア:

[(1, 25501840), (2, 12750920), (4, 6375460), (5, 5100368), (7, 3643120), (8, 3187730), (10, 2550184), (13, 1961680), (14, 1821560), (16, 1593865), (20, 1275092), (26, 980840), (28, 910780), (31, 822640), (35, 728624), (40, 637546), (52, 490420), (56, 455390), (62, 411320), (65, 392336), (70, 364312), (80, 318773), (91, 280240), (104, 245210), (112, 227695), (113, 225680), (124, 205660), (130, 196168), (140, 182156), (155, 164528), (182, 140120), (208, 122605), (217, 117520), (226, 112840), (248, 102830), (260, 98084), (280, 91078), (310, 82264), (364, 70060), (403, 63280), (434, 58760), (452, 56420), (455, 56048), (496, 51415), (520, 49042), (560, 45539), (565, 45136), (620, 41132), (728, 35030), (791, 32240), (806, 31640), (868, 29380), (904, 28210), (910, 28024), (1040, 24521), (1085, 23504), (1130, 22568), (1240, 20566), (1456, 17515), (1469, 17360), (1582, 16120), (1612, 15820), (1736, 14690), (1808, 14105), (1820, 14012), (2015, 12656), (2170, 11752), (2260, 11284), (2480, 10283), (2821, 9040), (2938, 8680), (3164, 8060), (3224, 7910), (3472, 7345), (3503, 7280), (3640, 7006), (3955, 6448), (4030, 6328), (4340, 5876), (4520, 5642)]