2912846920

素因数分解:

$2^3\times 5^1\times {\mathrm{79}}^1\times {\mathrm{921787}}^1$

素因数の和:921877

約数の個数: 32

約数和(自身を含む): 6636873600

約数和(自身を除く): 3724026680

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 79, 158, 316, 395, 632, 790, 1580, 3160, 921787, 1843574, 3687148, 4608935, 7374296, 9217870, 18435740, 36871480, 72821173, 145642346, 291284692, 364105865, 582569384, 728211730, 1456423460, 2912846920]

約数ペア:

[(1, 2912846920), (2, 1456423460), (4, 728211730), (5, 582569384), (8, 364105865), (10, 291284692), (20, 145642346), (40, 72821173), (79, 36871480), (158, 18435740), (316, 9217870), (395, 7374296), (632, 4608935), (790, 3687148), (1580, 1843574), (3160, 921787)]