25966940

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{31667}}^1$

素因数の和:31717

約数の個数: 24

約数和(自身を含む): 55862352

約数和(自身を除く): 29895412

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 31667, 63334, 126668, 158335, 316670, 633340, 1298347, 2596694, 5193388, 6491735, 12983470, 25966940]

約数ペア:

[(1, 25966940), (2, 12983470), (4, 6491735), (5, 5193388), (10, 2596694), (20, 1298347), (41, 633340), (82, 316670), (164, 158335), (205, 126668), (410, 63334), (820, 31667)]