1625609840

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{472561}}^1$

素因数の和:472617

約数の個数: 40

約数和(自身を含む): 3867447408

約数和(自身を除く): 2241837568

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 472561, 945122, 1890244, 2362805, 3780488, 4725610, 7560976, 9451220, 18902440, 20320123, 37804880, 40640246, 81280492, 101600615, 162560984, 203201230, 325121968, 406402460, 812804920, 1625609840]

約数ペア:

[(1, 1625609840), (2, 812804920), (4, 406402460), (5, 325121968), (8, 203201230), (10, 162560984), (16, 101600615), (20, 81280492), (40, 40640246), (43, 37804880), (80, 20320123), (86, 18902440), (172, 9451220), (215, 7560976), (344, 4725610), (430, 3780488), (688, 2362805), (860, 1890244), (1720, 945122), (3440, 472561)]