28598020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{61}}^1\times {\mathrm{2131}}^1$

素因数の和:2212

約数の個数: 48

約数和(自身を含む): 66620736

約数和(自身を除く): 38022716

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 61, 110, 122, 220, 244, 305, 610, 671, 1220, 1342, 2131, 2684, 3355, 4262, 6710, 8524, 10655, 13420, 21310, 23441, 42620, 46882, 93764, 117205, 129991, 234410, 259982, 468820, 519964, 649955, 1299910, 1429901, 2599820, 2859802, 5719604, 7149505, 14299010, 28598020]

約数ペア:

[(1, 28598020), (2, 14299010), (4, 7149505), (5, 5719604), (10, 2859802), (11, 2599820), (20, 1429901), (22, 1299910), (44, 649955), (55, 519964), (61, 468820), (110, 259982), (122, 234410), (220, 129991), (244, 117205), (305, 93764), (610, 46882), (671, 42620), (1220, 23441), (1342, 21310), (2131, 13420), (2684, 10655), (3355, 8524), (4262, 6710)]