2880496880

素因数分解:

$2^4\times 5^1\times {\mathrm{163}}^1\times {\mathrm{220897}}^1$

素因数の和:221073

約数の個数: 40

約数和(自身を含む): 6738272592

約数和(自身を除く): 3857775712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 163, 326, 652, 815, 1304, 1630, 2608, 3260, 6520, 13040, 220897, 441794, 883588, 1104485, 1767176, 2208970, 3534352, 4417940, 8835880, 17671760, 36006211, 72012422, 144024844, 180031055, 288049688, 360062110, 576099376, 720124220, 1440248440, 2880496880]

約数ペア:

[(1, 2880496880), (2, 1440248440), (4, 720124220), (5, 576099376), (8, 360062110), (10, 288049688), (16, 180031055), (20, 144024844), (40, 72012422), (80, 36006211), (163, 17671760), (326, 8835880), (652, 4417940), (815, 3534352), (1304, 2208970), (1630, 1767176), (2608, 1104485), (3260, 883588), (6520, 441794), (13040, 220897)]