25104080

素因数分解:

$2^4\times 5^1\times {\mathrm{113}}^1\times {\mathrm{2777}}^1$

素因数の和:2903

約数の個数: 40

約数和(自身を含む): 58904712

約数和(自身を除く): 33800632

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 113, 226, 452, 565, 904, 1130, 1808, 2260, 2777, 4520, 5554, 9040, 11108, 13885, 22216, 27770, 44432, 55540, 111080, 222160, 313801, 627602, 1255204, 1569005, 2510408, 3138010, 5020816, 6276020, 12552040, 25104080]

約数ペア:

[(1, 25104080), (2, 12552040), (4, 6276020), (5, 5020816), (8, 3138010), (10, 2510408), (16, 1569005), (20, 1255204), (40, 627602), (80, 313801), (113, 222160), (226, 111080), (452, 55540), (565, 44432), (904, 27770), (1130, 22216), (1808, 13885), (2260, 11108), (2777, 9040), (4520, 5554)]