85490960

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{62861}}^1$

素因数の和:62891

約数の個数: 40

約数和(自身を含む): 210461976

約数和(自身を除く): 124971016

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 62861, 125722, 251444, 314305, 502888, 628610, 1005776, 1068637, 1257220, 2137274, 2514440, 4274548, 5028880, 5343185, 8549096, 10686370, 17098192, 21372740, 42745480, 85490960]

約数ペア:

[(1, 85490960), (2, 42745480), (4, 21372740), (5, 17098192), (8, 10686370), (10, 8549096), (16, 5343185), (17, 5028880), (20, 4274548), (34, 2514440), (40, 2137274), (68, 1257220), (80, 1068637), (85, 1005776), (136, 628610), (170, 502888), (272, 314305), (340, 251444), (680, 125722), (1360, 62861)]