16397950

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{421}}^1$

素因数の和:493

約数の個数: 48

約数和(自身を含む): 32966640

約数和(自身を除く): 16568690

約数列:

[1, 2, 5, 10, 19, 25, 38, 41, 50, 82, 95, 190, 205, 410, 421, 475, 779, 842, 950, 1025, 1558, 2050, 2105, 3895, 4210, 7790, 7999, 10525, 15998, 17261, 19475, 21050, 34522, 38950, 39995, 79990, 86305, 172610, 199975, 327959, 399950, 431525, 655918, 863050, 1639795, 3279590, 8198975, 16397950]

約数ペア:

[(1, 16397950), (2, 8198975), (5, 3279590), (10, 1639795), (19, 863050), (25, 655918), (38, 431525), (41, 399950), (50, 327959), (82, 199975), (95, 172610), (190, 86305), (205, 79990), (410, 39995), (421, 38950), (475, 34522), (779, 21050), (842, 19475), (950, 17261), (1025, 15998), (1558, 10525), (2050, 7999), (2105, 7790), (3895, 4210)]