65137720

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{14411}}^1$

素因数の和:14535

約数の個数: 32

約数和(自身を含む): 147867120

約数和(自身を除く): 82729400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 14411, 28822, 57644, 72055, 115288, 144110, 288220, 576440, 1628443, 3256886, 6513772, 8142215, 13027544, 16284430, 32568860, 65137720]

約数ペア:

[(1, 65137720), (2, 32568860), (4, 16284430), (5, 13027544), (8, 8142215), (10, 6513772), (20, 3256886), (40, 1628443), (113, 576440), (226, 288220), (452, 144110), (565, 115288), (904, 72055), (1130, 57644), (2260, 28822), (4520, 14411)]