81380500

素因数分解:

$2^2\times 5^3\times {\mathrm{47}}^1\times {\mathrm{3463}}^1$

素因数の和:3529

約数の個数: 48

約数和(自身を含む): 181569024

約数和(自身を除く): 100188524

約数列:

[1, 2, 4, 5, 10, 20, 25, 47, 50, 94, 100, 125, 188, 235, 250, 470, 500, 940, 1175, 2350, 3463, 4700, 5875, 6926, 11750, 13852, 17315, 23500, 34630, 69260, 86575, 162761, 173150, 325522, 346300, 432875, 651044, 813805, 865750, 1627610, 1731500, 3255220, 4069025, 8138050, 16276100, 20345125, 40690250, 81380500]

約数ペア:

[(1, 81380500), (2, 40690250), (4, 20345125), (5, 16276100), (10, 8138050), (20, 4069025), (25, 3255220), (47, 1731500), (50, 1627610), (94, 865750), (100, 813805), (125, 651044), (188, 432875), (235, 346300), (250, 325522), (470, 173150), (500, 162761), (940, 86575), (1175, 69260), (2350, 34630), (3463, 23500), (4700, 17315), (5875, 13852), (6926, 11750)]