65921020

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{2749}}^1$

素因数の和:2878

約数の個数: 48

約数和(自身を含む): 152460000

約数和(自身を除く): 86538980

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 109, 110, 218, 220, 436, 545, 1090, 1199, 2180, 2398, 2749, 4796, 5498, 5995, 10996, 11990, 13745, 23980, 27490, 30239, 54980, 60478, 120956, 151195, 299641, 302390, 599282, 604780, 1198564, 1498205, 2996410, 3296051, 5992820, 6592102, 13184204, 16480255, 32960510, 65921020]

約数ペア:

[(1, 65921020), (2, 32960510), (4, 16480255), (5, 13184204), (10, 6592102), (11, 5992820), (20, 3296051), (22, 2996410), (44, 1498205), (55, 1198564), (109, 604780), (110, 599282), (218, 302390), (220, 299641), (436, 151195), (545, 120956), (1090, 60478), (1199, 54980), (2180, 30239), (2398, 27490), (2749, 23980), (4796, 13745), (5498, 11990), (5995, 10996)]