25004840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{89303}}^1$

素因数の和:89321

約数の個数: 32

約数和(自身を含む): 64298880

約数和(自身を除く): 39294040

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 89303, 178606, 357212, 446515, 625121, 714424, 893030, 1250242, 1786060, 2500484, 3125605, 3572120, 5000968, 6251210, 12502420, 25004840]

約数ペア:

[(1, 25004840), (2, 12502420), (4, 6251210), (5, 5000968), (7, 3572120), (8, 3125605), (10, 2500484), (14, 1786060), (20, 1250242), (28, 893030), (35, 714424), (40, 625121), (56, 446515), (70, 357212), (140, 178606), (280, 89303)]