158311640

素因数分解:

$2^3\times 5^1\times {\mathrm{1013}}^1\times {\mathrm{3907}}^1$

素因数の和:4931

約数の個数: 32

約数和(自身を含む): 356644080

約数和(自身を除く): 198332440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1013, 2026, 3907, 4052, 5065, 7814, 8104, 10130, 15628, 19535, 20260, 31256, 39070, 40520, 78140, 156280, 3957791, 7915582, 15831164, 19788955, 31662328, 39577910, 79155820, 158311640]

約数ペア:

[(1, 158311640), (2, 79155820), (4, 39577910), (5, 31662328), (8, 19788955), (10, 15831164), (20, 7915582), (40, 3957791), (1013, 156280), (2026, 78140), (3907, 40520), (4052, 39070), (5065, 31256), (7814, 20260), (8104, 19535), (10130, 15628)]