25743020

素因数分解:

$2^2\times 5^1\times {\mathrm{31}}^1\times {\mathrm{41521}}^1$

素因数の和:41561

約数の個数: 24

約数和(自身を含む): 55805568

約数和(自身を除く): 30062548

約数列:

[1, 2, 4, 5, 10, 20, 31, 62, 124, 155, 310, 620, 41521, 83042, 166084, 207605, 415210, 830420, 1287151, 2574302, 5148604, 6435755, 12871510, 25743020]

約数ペア:

[(1, 25743020), (2, 12871510), (4, 6435755), (5, 5148604), (10, 2574302), (20, 1287151), (31, 830420), (62, 415210), (124, 207605), (155, 166084), (310, 83042), (620, 41521)]