104920400

素因数分解:

$2^4\times 5^2\times {\mathrm{13}}^1\times {\mathrm{20177}}^1$

素因数の和:20208

約数の個数: 60

約数和(自身を含む): 271474812

約数和(自身を除く): 166554412

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 25, 26, 40, 50, 52, 65, 80, 100, 104, 130, 200, 208, 260, 325, 400, 520, 650, 1040, 1300, 2600, 5200, 20177, 40354, 80708, 100885, 161416, 201770, 262301, 322832, 403540, 504425, 524602, 807080, 1008850, 1049204, 1311505, 1614160, 2017700, 2098408, 2623010, 4035400, 4196816, 5246020, 6557525, 8070800, 10492040, 13115050, 20984080, 26230100, 52460200, 104920400]

約数ペア:

[(1, 104920400), (2, 52460200), (4, 26230100), (5, 20984080), (8, 13115050), (10, 10492040), (13, 8070800), (16, 6557525), (20, 5246020), (25, 4196816), (26, 4035400), (40, 2623010), (50, 2098408), (52, 2017700), (65, 1614160), (80, 1311505), (100, 1049204), (104, 1008850), (130, 807080), (200, 524602), (208, 504425), (260, 403540), (325, 322832), (400, 262301), (520, 201770), (650, 161416), (1040, 100885), (1300, 80708), (2600, 40354), (5200, 20177)]