2218480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{2521}}^1$

素因数の和:2545

約数の個数: 40

約数和(自身を含む): 5629104

約数和(自身を除く): 3410624

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 2521, 5042, 10084, 12605, 20168, 25210, 27731, 40336, 50420, 55462, 100840, 110924, 138655, 201680, 221848, 277310, 443696, 554620, 1109240, 2218480]

約数ペア:

[(1, 2218480), (2, 1109240), (4, 554620), (5, 443696), (8, 277310), (10, 221848), (11, 201680), (16, 138655), (20, 110924), (22, 100840), (40, 55462), (44, 50420), (55, 40336), (80, 27731), (88, 25210), (110, 20168), (176, 12605), (220, 10084), (440, 5042), (880, 2521)]