157026445220

素因数分解:

$2^2\times 5^1\times {\mathrm{61}}^1\times {\mathrm{128710201}}^1$

素因数の和:128710271

約数の個数: 24

約数和(自身を含む): 335161366008

約数和(自身を除く): 178134920788

約数列:

[1, 2, 4, 5, 10, 20, 61, 122, 244, 305, 610, 1220, 128710201, 257420402, 514840804, 643551005, 1287102010, 2574204020, 7851322261, 15702644522, 31405289044, 39256611305, 78513222610, 157026445220]

約数ペア:

[(1, 157026445220), (2, 78513222610), (4, 39256611305), (5, 31405289044), (10, 15702644522), (20, 7851322261), (61, 2574204020), (122, 1287102010), (244, 643551005), (305, 514840804), (610, 257420402), (1220, 128710201)]