77917240

素因数分解:

$2^3\times 5^1\times {\mathrm{419}}^1\times {\mathrm{4649}}^1$

素因数の和:5079

約数の個数: 32

約数和(自身を含む): 175770000

約数和(自身を除く): 97852760

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 419, 838, 1676, 2095, 3352, 4190, 4649, 8380, 9298, 16760, 18596, 23245, 37192, 46490, 92980, 185960, 1947931, 3895862, 7791724, 9739655, 15583448, 19479310, 38958620, 77917240]

約数ペア:

[(1, 77917240), (2, 38958620), (4, 19479310), (5, 15583448), (8, 9739655), (10, 7791724), (20, 3895862), (40, 1947931), (419, 185960), (838, 92980), (1676, 46490), (2095, 37192), (3352, 23245), (4190, 18596), (4649, 16760), (8380, 9298)]