20162595440

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{673}}^1\times {\mathrm{28807}}^1$

素因数の和:29506

約数の個数: 80

約数和(自身を含む): 50560805568

約数和(自身を除く): 30398210128

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 673, 1040, 1346, 2692, 3365, 5384, 6730, 8749, 10768, 13460, 17498, 26920, 28807, 34996, 43745, 53840, 57614, 69992, 87490, 115228, 139984, 144035, 174980, 230456, 288070, 349960, 374491, 460912, 576140, 699920, 748982, 1152280, 1497964, 1872455, 2304560, 2995928, 3744910, 5991856, 7489820, 14979640, 19387111, 29959280, 38774222, 77548444, 96935555, 155096888, 193871110, 252032443, 310193776, 387742220, 504064886, 775484440, 1008129772, 1260162215, 1550968880, 2016259544, 2520324430, 4032519088, 5040648860, 10081297720, 20162595440]

約数ペア:

[(1, 20162595440), (2, 10081297720), (4, 5040648860), (5, 4032519088), (8, 2520324430), (10, 2016259544), (13, 1550968880), (16, 1260162215), (20, 1008129772), (26, 775484440), (40, 504064886), (52, 387742220), (65, 310193776), (80, 252032443), (104, 193871110), (130, 155096888), (208, 96935555), (260, 77548444), (520, 38774222), (673, 29959280), (1040, 19387111), (1346, 14979640), (2692, 7489820), (3365, 5991856), (5384, 3744910), (6730, 2995928), (8749, 2304560), (10768, 1872455), (13460, 1497964), (17498, 1152280), (26920, 748982), (28807, 699920), (34996, 576140), (43745, 460912), (53840, 374491), (57614, 349960), (69992, 288070), (87490, 230456), (115228, 174980), (139984, 144035)]