31992980

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{73}}^1\times {\mathrm{1289}}^1$

素因数の和:1388

約数の個数: 48

約数和(自身を含む): 72167760

約数和(自身を除く): 40174780

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 73, 85, 146, 170, 292, 340, 365, 730, 1241, 1289, 1460, 2482, 2578, 4964, 5156, 6205, 6445, 12410, 12890, 21913, 24820, 25780, 43826, 87652, 94097, 109565, 188194, 219130, 376388, 438260, 470485, 940970, 1599649, 1881940, 3199298, 6398596, 7998245, 15996490, 31992980]

約数ペア:

[(1, 31992980), (2, 15996490), (4, 7998245), (5, 6398596), (10, 3199298), (17, 1881940), (20, 1599649), (34, 940970), (68, 470485), (73, 438260), (85, 376388), (146, 219130), (170, 188194), (292, 109565), (340, 94097), (365, 87652), (730, 43826), (1241, 25780), (1289, 24820), (1460, 21913), (2482, 12890), (2578, 12410), (4964, 6445), (5156, 6205)]