154016440

素因数分解:

$2^3\times 5^1\times {\mathrm{983}}^1\times {\mathrm{3917}}^1$

素因数の和:4911

約数の個数: 32

約数和(自身を含む): 346978080

約数和(自身を除く): 192961640

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 983, 1966, 3917, 3932, 4915, 7834, 7864, 9830, 15668, 19585, 19660, 31336, 39170, 39320, 78340, 156680, 3850411, 7700822, 15401644, 19252055, 30803288, 38504110, 77008220, 154016440]

約数ペア:

[(1, 154016440), (2, 77008220), (4, 38504110), (5, 30803288), (8, 19252055), (10, 15401644), (20, 7700822), (40, 3850411), (983, 156680), (1966, 78340), (3917, 39320), (3932, 39170), (4915, 31336), (7834, 19660), (7864, 19585), (9830, 15668)]