8218450

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{211}}^1$

素因数の和:283

約数の個数: 48

約数和(自身を含む): 16561440

約数和(自身を除く): 8342990

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 211, 410, 422, 475, 779, 950, 1025, 1055, 1558, 2050, 2110, 3895, 4009, 5275, 7790, 8018, 8651, 10550, 17302, 19475, 20045, 38950, 40090, 43255, 86510, 100225, 164369, 200450, 216275, 328738, 432550, 821845, 1643690, 4109225, 8218450]

約数ペア:

[(1, 8218450), (2, 4109225), (5, 1643690), (10, 821845), (19, 432550), (25, 328738), (38, 216275), (41, 200450), (50, 164369), (82, 100225), (95, 86510), (190, 43255), (205, 40090), (211, 38950), (410, 20045), (422, 19475), (475, 17302), (779, 10550), (950, 8651), (1025, 8018), (1055, 7790), (1558, 5275), (2050, 4009), (2110, 3895)]