2108551250

素因数分解:

$2^1\times 5^4\times {\mathrm{13}}^1\times {\mathrm{129757}}^1$

素因数の和:129792

約数の個数: 40

約数和(自身を含む): 4256321916

約数和(自身を除く): 2147770666

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 625, 650, 1250, 1625, 3250, 8125, 16250, 129757, 259514, 648785, 1297570, 1686841, 3243925, 3373682, 6487850, 8434205, 16219625, 16868410, 32439250, 42171025, 81098125, 84342050, 162196250, 210855125, 421710250, 1054275625, 2108551250]

約数ペア:

[(1, 2108551250), (2, 1054275625), (5, 421710250), (10, 210855125), (13, 162196250), (25, 84342050), (26, 81098125), (50, 42171025), (65, 32439250), (125, 16868410), (130, 16219625), (250, 8434205), (325, 6487850), (625, 3373682), (650, 3243925), (1250, 1686841), (1625, 1297570), (3250, 648785), (8125, 259514), (16250, 129757)]