42867640

素因数分解:

$2^3\times 5^1\times {\mathrm{677}}^1\times {\mathrm{1583}}^1$

素因数の和:2271

約数の個数: 32

約数和(自身を含む): 96655680

約数和(自身を除く): 53788040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 677, 1354, 1583, 2708, 3166, 3385, 5416, 6332, 6770, 7915, 12664, 13540, 15830, 27080, 31660, 63320, 1071691, 2143382, 4286764, 5358455, 8573528, 10716910, 21433820, 42867640]

約数ペア:

[(1, 42867640), (2, 21433820), (4, 10716910), (5, 8573528), (8, 5358455), (10, 4286764), (20, 2143382), (40, 1071691), (677, 63320), (1354, 31660), (1583, 27080), (2708, 15830), (3166, 13540), (3385, 12664), (5416, 7915), (6332, 6770)]