28166450

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{2549}}^1$

素因数の和:2591

約数の個数: 48

約数和(自身を含む): 59761800

約数和(自身を除く): 31595350

約数列:

[1, 2, 5, 10, 13, 17, 25, 26, 34, 50, 65, 85, 130, 170, 221, 325, 425, 442, 650, 850, 1105, 2210, 2549, 5098, 5525, 11050, 12745, 25490, 33137, 43333, 63725, 66274, 86666, 127450, 165685, 216665, 331370, 433330, 563329, 828425, 1083325, 1126658, 1656850, 2166650, 2816645, 5633290, 14083225, 28166450]

約数ペア:

[(1, 28166450), (2, 14083225), (5, 5633290), (10, 2816645), (13, 2166650), (17, 1656850), (25, 1126658), (26, 1083325), (34, 828425), (50, 563329), (65, 433330), (85, 331370), (130, 216665), (170, 165685), (221, 127450), (325, 86666), (425, 66274), (442, 63725), (650, 43333), (850, 33137), (1105, 25490), (2210, 12745), (2549, 11050), (5098, 5525)]