51010220

素因数分解:

$2^2\times 5^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1\times {\mathrm{311}}^1$

素因数の和:518

約数の個数: 48

約数和(自身を含む): 110073600

約数和(自身を除く): 59063380

約数列:

[1, 2, 4, 5, 10, 20, 59, 118, 139, 236, 278, 295, 311, 556, 590, 622, 695, 1180, 1244, 1390, 1555, 2780, 3110, 6220, 8201, 16402, 18349, 32804, 36698, 41005, 43229, 73396, 82010, 86458, 91745, 164020, 172916, 183490, 216145, 366980, 432290, 864580, 2550511, 5101022, 10202044, 12752555, 25505110, 51010220]

約数ペア:

[(1, 51010220), (2, 25505110), (4, 12752555), (5, 10202044), (10, 5101022), (20, 2550511), (59, 864580), (118, 432290), (139, 366980), (236, 216145), (278, 183490), (295, 172916), (311, 164020), (556, 91745), (590, 86458), (622, 82010), (695, 73396), (1180, 43229), (1244, 41005), (1390, 36698), (1555, 32804), (2780, 18349), (3110, 16402), (6220, 8201)]