1547987440

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{272533}}^1$

素因数の和:272617

約数の個数: 40

約数和(自身を含む): 3649775328

約数和(自身を除く): 2101787888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 284, 355, 568, 710, 1136, 1420, 2840, 5680, 272533, 545066, 1090132, 1362665, 2180264, 2725330, 4360528, 5450660, 10901320, 19349843, 21802640, 38699686, 77399372, 96749215, 154798744, 193498430, 309597488, 386996860, 773993720, 1547987440]

約数ペア:

[(1, 1547987440), (2, 773993720), (4, 386996860), (5, 309597488), (8, 193498430), (10, 154798744), (16, 96749215), (20, 77399372), (40, 38699686), (71, 21802640), (80, 19349843), (142, 10901320), (284, 5450660), (355, 4360528), (568, 2725330), (710, 2180264), (1136, 1362665), (1420, 1090132), (2840, 545066), (5680, 272533)]