81895550

素因数分解:

$2^1\times 5^2\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2441}}^1$

素因数の和:2525

約数の個数: 48

約数和(自身を含む): 168966864

約数和(自身を除く): 87071314

約数列:

[1, 2, 5, 10, 11, 22, 25, 50, 55, 61, 110, 122, 275, 305, 550, 610, 671, 1342, 1525, 2441, 3050, 3355, 4882, 6710, 12205, 16775, 24410, 26851, 33550, 53702, 61025, 122050, 134255, 148901, 268510, 297802, 671275, 744505, 1342550, 1489010, 1637911, 3275822, 3722525, 7445050, 8189555, 16379110, 40947775, 81895550]

約数ペア:

[(1, 81895550), (2, 40947775), (5, 16379110), (10, 8189555), (11, 7445050), (22, 3722525), (25, 3275822), (50, 1637911), (55, 1489010), (61, 1342550), (110, 744505), (122, 671275), (275, 297802), (305, 268510), (550, 148901), (610, 134255), (671, 122050), (1342, 61025), (1525, 53702), (2441, 33550), (3050, 26851), (3355, 24410), (4882, 16775), (6710, 12205)]