71335760

素因数分解:

$2^4\times 5^1\times {\mathrm{487}}^1\times {\mathrm{1831}}^1$

素因数の和:2331

約数の個数: 40

約数和(自身を含む): 166286976

約数和(自身を除く): 94951216

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 487, 974, 1831, 1948, 2435, 3662, 3896, 4870, 7324, 7792, 9155, 9740, 14648, 18310, 19480, 29296, 36620, 38960, 73240, 146480, 891697, 1783394, 3566788, 4458485, 7133576, 8916970, 14267152, 17833940, 35667880, 71335760]

約数ペア:

[(1, 71335760), (2, 35667880), (4, 17833940), (5, 14267152), (8, 8916970), (10, 7133576), (16, 4458485), (20, 3566788), (40, 1783394), (80, 891697), (487, 146480), (974, 73240), (1831, 38960), (1948, 36620), (2435, 29296), (3662, 19480), (3896, 18310), (4870, 14648), (7324, 9740), (7792, 9155)]