81016900

素因数分解:

$2^2\times 5^2\times {\mathrm{17}}^1\times {\mathrm{47657}}^1$

素因数の和:47688

約数の個数: 36

約数和(自身を含む): 186152148

約数和(自身を除く): 105135248

約数列:

[1, 2, 4, 5, 10, 17, 20, 25, 34, 50, 68, 85, 100, 170, 340, 425, 850, 1700, 47657, 95314, 190628, 238285, 476570, 810169, 953140, 1191425, 1620338, 2382850, 3240676, 4050845, 4765700, 8101690, 16203380, 20254225, 40508450, 81016900]

約数ペア:

[(1, 81016900), (2, 40508450), (4, 20254225), (5, 16203380), (10, 8101690), (17, 4765700), (20, 4050845), (25, 3240676), (34, 2382850), (50, 1620338), (68, 1191425), (85, 953140), (100, 810169), (170, 476570), (340, 238285), (425, 190628), (850, 95314), (1700, 47657)]