39915140

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{48677}}^1$

素因数の和:48727

約数の個数: 24

約数和(自身を含む): 85867992

約数和(自身を除く): 45952852

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 48677, 97354, 194708, 243385, 486770, 973540, 1995757, 3991514, 7983028, 9978785, 19957570, 39915140]

約数ペア:

[(1, 39915140), (2, 19957570), (4, 9978785), (5, 7983028), (10, 3991514), (20, 1995757), (41, 973540), (82, 486770), (164, 243385), (205, 194708), (410, 97354), (820, 48677)]