80842040

素因数分解:

$2^3\times 5^1\times {\mathrm{37}}^1\times {\mathrm{54623}}^1$

素因数の和:54671

約数の個数: 32

約数和(自身を含む): 186814080

約数和(自身を除く): 105972040

約数列:

[1, 2, 4, 5, 8, 10, 20, 37, 40, 74, 148, 185, 296, 370, 740, 1480, 54623, 109246, 218492, 273115, 436984, 546230, 1092460, 2021051, 2184920, 4042102, 8084204, 10105255, 16168408, 20210510, 40421020, 80842040]

約数ペア:

[(1, 80842040), (2, 40421020), (4, 20210510), (5, 16168408), (8, 10105255), (10, 8084204), (20, 4042102), (37, 2184920), (40, 2021051), (74, 1092460), (148, 546230), (185, 436984), (296, 273115), (370, 218492), (740, 109246), (1480, 54623)]