78049240

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{47591}}^1$

素因数の和:47643

約数の個数: 32

約数和(自身を含む): 179897760

約数和(自身を除く): 101848520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 164, 205, 328, 410, 820, 1640, 47591, 95182, 190364, 237955, 380728, 475910, 951820, 1903640, 1951231, 3902462, 7804924, 9756155, 15609848, 19512310, 39024620, 78049240]

約数ペア:

[(1, 78049240), (2, 39024620), (4, 19512310), (5, 15609848), (8, 9756155), (10, 7804924), (20, 3902462), (40, 1951231), (41, 1903640), (82, 951820), (164, 475910), (205, 380728), (328, 237955), (410, 190364), (820, 95182), (1640, 47591)]