2912281040

素因数分解:

$2^4\times 5^1\times {\mathrm{36403513}}^1$

素因数の和:36403526

約数の個数: 20

約数和(自身を含む): 6771053604

約数和(自身を除く): 3858772564

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 36403513, 72807026, 145614052, 182017565, 291228104, 364035130, 582456208, 728070260, 1456140520, 2912281040]

約数ペア:

[(1, 2912281040), (2, 1456140520), (4, 728070260), (5, 582456208), (8, 364035130), (10, 291228104), (16, 182017565), (20, 145614052), (40, 72807026), (80, 36403513)]