72708550

素因数分解:

$2^1\times 5^2\times {\mathrm{89}}^1\times {\mathrm{16339}}^1$

素因数の和:16440

約数の個数: 24

約数和(自身を含む): 136765800

約数和(自身を除く): 64057250

約数列:

[1, 2, 5, 10, 25, 50, 89, 178, 445, 890, 2225, 4450, 16339, 32678, 81695, 163390, 408475, 816950, 1454171, 2908342, 7270855, 14541710, 36354275, 72708550]

約数ペア:

[(1, 72708550), (2, 36354275), (5, 14541710), (10, 7270855), (25, 2908342), (50, 1454171), (89, 816950), (178, 408475), (445, 163390), (890, 81695), (2225, 32678), (4450, 16339)]