12913550

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{19867}}^1$

素因数の和:19892

約数の個数: 24

約数和(自身を含む): 25868136

約数和(自身を除く): 12954586

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 130, 325, 650, 19867, 39734, 99335, 198670, 258271, 496675, 516542, 993350, 1291355, 2582710, 6456775, 12913550]

約数ペア:

[(1, 12913550), (2, 6456775), (5, 2582710), (10, 1291355), (13, 993350), (25, 516542), (26, 496675), (50, 258271), (65, 198670), (130, 99335), (325, 39734), (650, 19867)]