4890640

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:667

約数の個数: 40

約数和(自身を含む): 11492568

約数和(自身を除く): 6601928

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 541, 565, 904, 1082, 1130, 1808, 2164, 2260, 2705, 4328, 4520, 5410, 8656, 9040, 10820, 21640, 43280, 61133, 122266, 244532, 305665, 489064, 611330, 978128, 1222660, 2445320, 4890640]

約数ペア:

[(1, 4890640), (2, 2445320), (4, 1222660), (5, 978128), (8, 611330), (10, 489064), (16, 305665), (20, 244532), (40, 122266), (80, 61133), (113, 43280), (226, 21640), (452, 10820), (541, 9040), (565, 8656), (904, 5410), (1082, 4520), (1130, 4328), (1808, 2705), (2164, 2260)]