2080778480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2364521}}^1$

素因数の和:2364545

約数の個数: 40

約数和(自身を含む): 5277613104

約数和(自身を除く): 3196834624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2364521, 4729042, 9458084, 11822605, 18916168, 23645210, 26009731, 37832336, 47290420, 52019462, 94580840, 104038924, 130048655, 189161680, 208077848, 260097310, 416155696, 520194620, 1040389240, 2080778480]

約数ペア:

[(1, 2080778480), (2, 1040389240), (4, 520194620), (5, 416155696), (8, 260097310), (10, 208077848), (11, 189161680), (16, 130048655), (20, 104038924), (22, 94580840), (40, 52019462), (44, 47290420), (55, 37832336), (80, 26009731), (88, 23645210), (110, 18916168), (176, 11822605), (220, 9458084), (440, 4729042), (880, 2364521)]