40115560

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{83}}^1\times {\mathrm{281}}^1$

素因数の和:418

約数の個数: 64

約数和(自身を含む): 93804480

約数和(自身を除く): 53688920

約数列:

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

約数ペア:

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