2445320

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:665

約数の個数: 32

約数和(自身を含む): 5560920

約数和(自身を除く): 3115600

約数列:

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

約数ペア:

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