86724020

素因数分解:

$2^2\times 5^1\times {\mathrm{41}}^1\times {\mathrm{105761}}^1$

素因数の和:105811

約数の個数: 24

約数和(自身を含む): 186564168

約数和(自身を除く): 99840148

約数列:

[1, 2, 4, 5, 10, 20, 41, 82, 164, 205, 410, 820, 105761, 211522, 423044, 528805, 1057610, 2115220, 4336201, 8672402, 17344804, 21681005, 43362010, 86724020]

約数ペア:

[(1, 86724020), (2, 43362010), (4, 21681005), (5, 17344804), (10, 8672402), (20, 4336201), (41, 2115220), (82, 1057610), (164, 528805), (205, 423044), (410, 211522), (820, 105761)]