81625150

素因数分解:

$2^1\times 5^2\times {\mathrm{71}}^1\times {\mathrm{22993}}^1$

素因数の和:23076

約数の個数: 24

約数和(自身を含む): 153967824

約数和(自身を除く): 72342674

約数列:

[1, 2, 5, 10, 25, 50, 71, 142, 355, 710, 1775, 3550, 22993, 45986, 114965, 229930, 574825, 1149650, 1632503, 3265006, 8162515, 16325030, 40812575, 81625150]

約数ペア:

[(1, 81625150), (2, 40812575), (5, 16325030), (10, 8162515), (25, 3265006), (50, 1632503), (71, 1149650), (142, 574825), (355, 229930), (710, 114965), (1775, 45986), (3550, 22993)]