12951220

素因数分解:

$2^2\times 5^1\times {\mathrm{103}}^1\times {\mathrm{6287}}^1$

素因数の和:6399

約数の個数: 24

約数和(自身を含む): 27465984

約数和(自身を除く): 14514764

約数列:

[1, 2, 4, 5, 10, 20, 103, 206, 412, 515, 1030, 2060, 6287, 12574, 25148, 31435, 62870, 125740, 647561, 1295122, 2590244, 3237805, 6475610, 12951220]

約数ペア:

[(1, 12951220), (2, 6475610), (4, 3237805), (5, 2590244), (10, 1295122), (20, 647561), (103, 125740), (206, 62870), (412, 31435), (515, 25148), (1030, 12574), (2060, 6287)]