70876760

素因数分解:

$2^3\times 5^1\times {\mathrm{823}}^1\times {\mathrm{2153}}^1$

素因数の和:2987

約数の個数: 32

約数和(自身を含む): 159740640

約数和(自身を除く): 88863880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 823, 1646, 2153, 3292, 4115, 4306, 6584, 8230, 8612, 10765, 16460, 17224, 21530, 32920, 43060, 86120, 1771919, 3543838, 7087676, 8859595, 14175352, 17719190, 35438380, 70876760]

約数ペア:

[(1, 70876760), (2, 35438380), (4, 17719190), (5, 14175352), (8, 8859595), (10, 7087676), (20, 3543838), (40, 1771919), (823, 86120), (1646, 43060), (2153, 32920), (3292, 21530), (4115, 17224), (4306, 16460), (6584, 10765), (8230, 8612)]