74563420

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{90931}}^1$

素因数の和:90981

約数の個数: 24

約数和(自身を含む): 160404048

約数和(自身を除く): 85840628

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 90931, 181862, 363724, 454655, 909310, 1818620, 3728171, 7456342, 14912684, 18640855, 37281710, 74563420]

約数ペア:

[(1, 74563420), (2, 37281710), (4, 18640855), (5, 14912684), (10, 7456342), (20, 3728171), (41, 1818620), (82, 909310), (164, 454655), (205, 363724), (410, 181862), (820, 90931)]