180614920

素因数分解:

$2^3\times 5^1\times {\mathrm{1151}}^1\times {\mathrm{3923}}^1$

素因数の和:5085

約数の個数: 32

約数和(自身を含む): 406840320

約数和(自身を除く): 226225400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1151, 2302, 3923, 4604, 5755, 7846, 9208, 11510, 15692, 19615, 23020, 31384, 39230, 46040, 78460, 156920, 4515373, 9030746, 18061492, 22576865, 36122984, 45153730, 90307460, 180614920]

約数ペア:

[(1, 180614920), (2, 90307460), (4, 45153730), (5, 36122984), (8, 22576865), (10, 18061492), (20, 9030746), (40, 4515373), (1151, 156920), (2302, 78460), (3923, 46040), (4604, 39230), (5755, 31384), (7846, 23020), (9208, 19615), (11510, 15692)]