31815280

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{56813}}^1$

素因数の和:56833

約数の個数: 40

約数和(自身を含む): 84539232

約数和(自身を除く): 52723952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 280, 560, 56813, 113626, 227252, 284065, 397691, 454504, 568130, 795382, 909008, 1136260, 1590764, 1988455, 2272520, 3181528, 3976910, 4545040, 6363056, 7953820, 15907640, 31815280]

約数ペア:

[(1, 31815280), (2, 15907640), (4, 7953820), (5, 6363056), (7, 4545040), (8, 3976910), (10, 3181528), (14, 2272520), (16, 1988455), (20, 1590764), (28, 1136260), (35, 909008), (40, 795382), (56, 568130), (70, 454504), (80, 397691), (112, 284065), (140, 227252), (280, 113626), (560, 56813)]