61289420

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{180263}}^1$

素因数の和:180289

約数の個数: 24

約数和(自身を含む): 136279584

約数和(自身を除く): 74990164

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 180263, 360526, 721052, 901315, 1802630, 3064471, 3605260, 6128942, 12257884, 15322355, 30644710, 61289420]

約数ペア:

[(1, 61289420), (2, 30644710), (4, 15322355), (5, 12257884), (10, 6128942), (17, 3605260), (20, 3064471), (34, 1802630), (68, 901315), (85, 721052), (170, 360526), (340, 180263)]