966640

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{281}}^1$

素因数の和:337

約数の個数: 40

約数和(自身を含む): 2307888

約数和(自身を除く): 1341248

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 281, 344, 430, 562, 688, 860, 1124, 1405, 1720, 2248, 2810, 3440, 4496, 5620, 11240, 12083, 22480, 24166, 48332, 60415, 96664, 120830, 193328, 241660, 483320, 966640]

約数ペア:

[(1, 966640), (2, 483320), (4, 241660), (5, 193328), (8, 120830), (10, 96664), (16, 60415), (20, 48332), (40, 24166), (43, 22480), (80, 12083), (86, 11240), (172, 5620), (215, 4496), (281, 3440), (344, 2810), (430, 2248), (562, 1720), (688, 1405), (860, 1124)]