51418480

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{67}}^1\times {\mathrm{181}}^1$

素因数の和:314

約数の個数: 80

約数和(自身を含む): 124304544

約数和(自身を除く): 72886064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 67, 80, 106, 134, 181, 212, 265, 268, 335, 362, 424, 530, 536, 670, 724, 848, 905, 1060, 1072, 1340, 1448, 1810, 2120, 2680, 2896, 3551, 3620, 4240, 5360, 7102, 7240, 9593, 12127, 14204, 14480, 17755, 19186, 24254, 28408, 35510, 38372, 47965, 48508, 56816, 60635, 71020, 76744, 95930, 97016, 121270, 142040, 153488, 191860, 194032, 242540, 284080, 383720, 485080, 642731, 767440, 970160, 1285462, 2570924, 3213655, 5141848, 6427310, 10283696, 12854620, 25709240, 51418480]

約数ペア:

[(1, 51418480), (2, 25709240), (4, 12854620), (5, 10283696), (8, 6427310), (10, 5141848), (16, 3213655), (20, 2570924), (40, 1285462), (53, 970160), (67, 767440), (80, 642731), (106, 485080), (134, 383720), (181, 284080), (212, 242540), (265, 194032), (268, 191860), (335, 153488), (362, 142040), (424, 121270), (530, 97016), (536, 95930), (670, 76744), (724, 71020), (848, 60635), (905, 56816), (1060, 48508), (1072, 47965), (1340, 38372), (1448, 35510), (1810, 28408), (2120, 24254), (2680, 19186), (2896, 17755), (3551, 14480), (3620, 14204), (4240, 12127), (5360, 9593), (7102, 7240)]