20172985120

素因数分解:

$2^5\times 5^1\times {\mathrm{1381}}^1\times {\mathrm{91297}}^1$

素因数の和:92693

約数の個数: 48

約数和(自身を含む): 47693710008

約数和(自身を除く): 27520724888

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 1381, 2762, 5524, 6905, 11048, 13810, 22096, 27620, 44192, 55240, 91297, 110480, 182594, 220960, 365188, 456485, 730376, 912970, 1460752, 1825940, 2921504, 3651880, 7303760, 14607520, 126081157, 252162314, 504324628, 630405785, 1008649256, 1260811570, 2017298512, 2521623140, 4034597024, 5043246280, 10086492560, 20172985120]

約数ペア:

[(1, 20172985120), (2, 10086492560), (4, 5043246280), (5, 4034597024), (8, 2521623140), (10, 2017298512), (16, 1260811570), (20, 1008649256), (32, 630405785), (40, 504324628), (80, 252162314), (160, 126081157), (1381, 14607520), (2762, 7303760), (5524, 3651880), (6905, 2921504), (11048, 1825940), (13810, 1460752), (22096, 912970), (27620, 730376), (44192, 456485), (55240, 365188), (91297, 220960), (110480, 182594)]