2005102525

素因数分解:

$5^2\times {\mathrm{311}}^1\times {\mathrm{463}}^1\times {\mathrm{557}}^1$

素因数の和:1341

約数の個数: 24

約数和(自身を含む): 2504196864

約数和(自身を除く): 499094339

約数列:

[1, 5, 25, 311, 463, 557, 1555, 2315, 2785, 7775, 11575, 13925, 143993, 173227, 257891, 719965, 866135, 1289455, 3599825, 4330675, 6447275, 80204101, 401020505, 2005102525]

約数ペア:

[(1, 2005102525), (5, 401020505), (25, 80204101), (311, 6447275), (463, 4330675), (557, 3599825), (1555, 1289455), (2315, 866135), (2785, 719965), (7775, 257891), (11575, 173227), (13925, 143993)]