29781160

素因数分解:

$2^3\times 5^1\times {\mathrm{257}}^1\times {\mathrm{2897}}^1$

素因数の和:3165

約数の個数: 32

約数和(自身を含む): 67291560

約数和(自身を除く): 37510400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 257, 514, 1028, 1285, 2056, 2570, 2897, 5140, 5794, 10280, 11588, 14485, 23176, 28970, 57940, 115880, 744529, 1489058, 2978116, 3722645, 5956232, 7445290, 14890580, 29781160]

約数ペア:

[(1, 29781160), (2, 14890580), (4, 7445290), (5, 5956232), (8, 3722645), (10, 2978116), (20, 1489058), (40, 744529), (257, 115880), (514, 57940), (1028, 28970), (1285, 23176), (2056, 14485), (2570, 11588), (2897, 10280), (5140, 5794)]