2019413960

素因数分解:

$2^3\times 5^1\times {\mathrm{113}}^1\times {\mathrm{446773}}^1$

素因数の和:446897

約数の個数: 32

約数和(自身を含む): 4583901240

約数和(自身を除く): 2564487280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 113, 226, 452, 565, 904, 1130, 2260, 4520, 446773, 893546, 1787092, 2233865, 3574184, 4467730, 8935460, 17870920, 50485349, 100970698, 201941396, 252426745, 403882792, 504853490, 1009706980, 2019413960]

約数ペア:

[(1, 2019413960), (2, 1009706980), (4, 504853490), (5, 403882792), (8, 252426745), (10, 201941396), (20, 100970698), (40, 50485349), (113, 17870920), (226, 8935460), (452, 4467730), (565, 3574184), (904, 2233865), (1130, 1787092), (2260, 893546), (4520, 446773)]