81517750

素因数分解:

$2^1\times 5^3\times {\mathrm{23}}^1\times {\mathrm{14177}}^1$

素因数の和:14217

約数の個数: 32

約数和(自身を含む): 159247296

約数和(自身を除く): 77729546

約数列:

[1, 2, 5, 10, 23, 25, 46, 50, 115, 125, 230, 250, 575, 1150, 2875, 5750, 14177, 28354, 70885, 141770, 326071, 354425, 652142, 708850, 1630355, 1772125, 3260710, 3544250, 8151775, 16303550, 40758875, 81517750]

約数ペア:

[(1, 81517750), (2, 40758875), (5, 16303550), (10, 8151775), (23, 3544250), (25, 3260710), (46, 1772125), (50, 1630355), (115, 708850), (125, 652142), (230, 354425), (250, 326071), (575, 141770), (1150, 70885), (2875, 28354), (5750, 14177)]