40520810

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{4139}}^1$

素因数の和:4246

約数の個数: 32

約数和(自身を含む): 80481600

約数和(自身を除く): 39960790

約数列:

[1, 2, 5, 10, 11, 22, 55, 89, 110, 178, 445, 890, 979, 1958, 4139, 4895, 8278, 9790, 20695, 41390, 45529, 91058, 227645, 368371, 455290, 736742, 1841855, 3683710, 4052081, 8104162, 20260405, 40520810]

約数ペア:

[(1, 40520810), (2, 20260405), (5, 8104162), (10, 4052081), (11, 3683710), (22, 1841855), (55, 736742), (89, 455290), (110, 368371), (178, 227645), (445, 91058), (890, 45529), (979, 41390), (1958, 20695), (4139, 9790), (4895, 8278)]