105709720

素因数分解:

$2^3\times 5^1\times {\mathrm{127}}^1\times {\mathrm{20809}}^1$

素因数の和:20947

約数の個数: 32

約数和(自身を含む): 239731200

約数和(自身を除く): 134021480

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 127, 254, 508, 635, 1016, 1270, 2540, 5080, 20809, 41618, 83236, 104045, 166472, 208090, 416180, 832360, 2642743, 5285486, 10570972, 13213715, 21141944, 26427430, 52854860, 105709720]

約数ペア:

[(1, 105709720), (2, 52854860), (4, 26427430), (5, 21141944), (8, 13213715), (10, 10570972), (20, 5285486), (40, 2642743), (127, 832360), (254, 416180), (508, 208090), (635, 166472), (1016, 104045), (1270, 83236), (2540, 41618), (5080, 20809)]