31961140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{38977}}^1$

素因数の和:39027

約数の個数: 24

約数和(自身を含む): 68757192

約数和(自身を除く): 36796052

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 38977, 77954, 155908, 194885, 389770, 779540, 1598057, 3196114, 6392228, 7990285, 15980570, 31961140]

約数ペア:

[(1, 31961140), (2, 15980570), (4, 7990285), (5, 6392228), (10, 3196114), (20, 1598057), (41, 779540), (82, 389770), (164, 194885), (205, 155908), (410, 77954), (820, 38977)]