1880840

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{3617}}^1$

素因数の和:3641

約数の個数: 32

約数和(自身を含む): 4558680

約数和(自身を除く): 2677840

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 3617, 7234, 14468, 18085, 28936, 36170, 47021, 72340, 94042, 144680, 188084, 235105, 376168, 470210, 940420, 1880840]

約数ペア:

[(1, 1880840), (2, 940420), (4, 470210), (5, 376168), (8, 235105), (10, 188084), (13, 144680), (20, 94042), (26, 72340), (40, 47021), (52, 36170), (65, 28936), (104, 18085), (130, 14468), (260, 7234), (520, 3617)]