40494220

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{155747}}^1$

素因数の和:155769

約数の個数: 24

約数和(自身を含む): 91579824

約数和(自身を除く): 51085604

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 155747, 311494, 622988, 778735, 1557470, 2024711, 3114940, 4049422, 8098844, 10123555, 20247110, 40494220]

約数ペア:

[(1, 40494220), (2, 20247110), (4, 10123555), (5, 8098844), (10, 4049422), (13, 3114940), (20, 2024711), (26, 1557470), (52, 778735), (65, 622988), (130, 311494), (260, 155747)]