80231120

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:420

約数の個数: 80

約数和(自身を含む): 193862592

約数和(自身を除く): 113631472

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 83, 86, 166, 172, 215, 281, 332, 344, 415, 430, 562, 664, 688, 830, 860, 1124, 1328, 1405, 1660, 1720, 2248, 2810, 3320, 3440, 3569, 4496, 5620, 6640, 7138, 11240, 12083, 14276, 17845, 22480, 23323, 24166, 28552, 35690, 46646, 48332, 57104, 60415, 71380, 93292, 96664, 116615, 120830, 142760, 186584, 193328, 233230, 241660, 285520, 373168, 466460, 483320, 932920, 966640, 1002889, 1865840, 2005778, 4011556, 5014445, 8023112, 10028890, 16046224, 20057780, 40115560, 80231120]

約数ペア:

[(1, 80231120), (2, 40115560), (4, 20057780), (5, 16046224), (8, 10028890), (10, 8023112), (16, 5014445), (20, 4011556), (40, 2005778), (43, 1865840), (80, 1002889), (83, 966640), (86, 932920), (166, 483320), (172, 466460), (215, 373168), (281, 285520), (332, 241660), (344, 233230), (415, 193328), (430, 186584), (562, 142760), (664, 120830), (688, 116615), (830, 96664), (860, 93292), (1124, 71380), (1328, 60415), (1405, 57104), (1660, 48332), (1720, 46646), (2248, 35690), (2810, 28552), (3320, 24166), (3440, 23323), (3569, 22480), (4496, 17845), (5620, 14276), (6640, 12083), (7138, 11240)]