90090440

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{204751}}^1$

素因数の和:204773

約数の個数: 32

約数和(自身を含む): 221132160

約数和(自身を除く): 131041720

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 204751, 409502, 819004, 1023755, 1638008, 2047510, 2252261, 4095020, 4504522, 8190040, 9009044, 11261305, 18018088, 22522610, 45045220, 90090440]

約数ペア:

[(1, 90090440), (2, 45045220), (4, 22522610), (5, 18018088), (8, 11261305), (10, 9009044), (11, 8190040), (20, 4504522), (22, 4095020), (40, 2252261), (44, 2047510), (55, 1638008), (88, 1023755), (110, 819004), (220, 409502), (440, 204751)]