28481650

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^2\times {\mathrm{113}}^1$

素因数の和:267

約数の個数: 36

約数和(自身を含む): 54208026

約数和(自身を除く): 25726376

約数列:

[1, 2, 5, 10, 25, 50, 71, 113, 142, 226, 355, 565, 710, 1130, 1775, 2825, 3550, 5041, 5650, 8023, 10082, 16046, 25205, 40115, 50410, 80230, 126025, 200575, 252050, 401150, 569633, 1139266, 2848165, 5696330, 14240825, 28481650]

約数ペア:

[(1, 28481650), (2, 14240825), (5, 5696330), (10, 2848165), (25, 1139266), (50, 569633), (71, 401150), (113, 252050), (142, 200575), (226, 126025), (355, 80230), (565, 50410), (710, 40115), (1130, 25205), (1775, 16046), (2825, 10082), (3550, 8023), (5041, 5650)]