76581220

素因数分解:

$2^2\times 5^1\times {\mathrm{109}}^1\times {\mathrm{35129}}^1$

素因数の和:35247

約数の個数: 24

約数和(自身を含む): 162300600

約数和(自身を除く): 85719380

約数列:

[1, 2, 4, 5, 10, 20, 109, 218, 436, 545, 1090, 2180, 35129, 70258, 140516, 175645, 351290, 702580, 3829061, 7658122, 15316244, 19145305, 38290610, 76581220]

約数ペア:

[(1, 76581220), (2, 38290610), (4, 19145305), (5, 15316244), (10, 7658122), (20, 3829061), (109, 702580), (218, 351290), (436, 175645), (545, 140516), (1090, 70258), (2180, 35129)]