81085340

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{12323}}^1$

素因数の和:12386

約数の個数: 48

約数和(自身を含む): 198761472

約数和(自身を除く): 117676132

約数列:

[1, 2, 4, 5, 7, 10, 14, 20, 28, 35, 47, 70, 94, 140, 188, 235, 329, 470, 658, 940, 1316, 1645, 3290, 6580, 12323, 24646, 49292, 61615, 86261, 123230, 172522, 246460, 345044, 431305, 579181, 862610, 1158362, 1725220, 2316724, 2895905, 4054267, 5791810, 8108534, 11583620, 16217068, 20271335, 40542670, 81085340]

約数ペア:

[(1, 81085340), (2, 40542670), (4, 20271335), (5, 16217068), (7, 11583620), (10, 8108534), (14, 5791810), (20, 4054267), (28, 2895905), (35, 2316724), (47, 1725220), (70, 1158362), (94, 862610), (140, 579181), (188, 431305), (235, 345044), (329, 246460), (470, 172522), (658, 123230), (940, 86261), (1316, 61615), (1645, 49292), (3290, 24646), (6580, 12323)]