71787980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{326309}}^1$

素因数の和:326329

約数の個数: 24

約数和(自身を含む): 164460240

約数和(自身を除く): 92672260

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 326309, 652618, 1305236, 1631545, 3263090, 3589399, 6526180, 7178798, 14357596, 17946995, 35893990, 71787980]

約数ペア:

[(1, 71787980), (2, 35893990), (4, 17946995), (5, 14357596), (10, 7178798), (11, 6526180), (20, 3589399), (22, 3263090), (44, 1631545), (55, 1305236), (110, 652618), (220, 326309)]