28168660

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{6373}}^1$

素因数の和:6412

約数の個数: 48

約数和(自身を含む): 67462416

約数和(自身を除く): 39293756

約数列:

[1, 2, 4, 5, 10, 13, 17, 20, 26, 34, 52, 65, 68, 85, 130, 170, 221, 260, 340, 442, 884, 1105, 2210, 4420, 6373, 12746, 25492, 31865, 63730, 82849, 108341, 127460, 165698, 216682, 331396, 414245, 433364, 541705, 828490, 1083410, 1408433, 1656980, 2166820, 2816866, 5633732, 7042165, 14084330, 28168660]

約数ペア:

[(1, 28168660), (2, 14084330), (4, 7042165), (5, 5633732), (10, 2816866), (13, 2166820), (17, 1656980), (20, 1408433), (26, 1083410), (34, 828490), (52, 541705), (65, 433364), (68, 414245), (85, 331396), (130, 216682), (170, 165698), (221, 127460), (260, 108341), (340, 82849), (442, 63730), (884, 31865), (1105, 25492), (2210, 12746), (4420, 6373)]