28500550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{269}}^1$

素因数の和:457

約数の個数: 48

約数和(自身を含む): 57652560

約数和(自身を除く): 29152010

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 163, 269, 325, 326, 538, 650, 815, 1345, 1630, 2119, 2690, 3497, 4075, 4238, 6725, 6994, 8150, 10595, 13450, 17485, 21190, 34970, 43847, 52975, 87425, 87694, 105950, 174850, 219235, 438470, 570011, 1096175, 1140022, 2192350, 2850055, 5700110, 14250275, 28500550]

約数ペア:

[(1, 28500550), (2, 14250275), (5, 5700110), (10, 2850055), (13, 2192350), (25, 1140022), (26, 1096175), (50, 570011), (65, 438470), (130, 219235), (163, 174850), (269, 105950), (325, 87694), (326, 87425), (538, 52975), (650, 43847), (815, 34970), (1345, 21190), (1630, 17485), (2119, 13450), (2690, 10595), (3497, 8150), (4075, 6994), (4238, 6725)]