42665320

素因数分解:

$2^3\times 5^1\times {\mathrm{71}}^1\times {\mathrm{83}}^1\times {\mathrm{181}}^1$

素因数の和:346

約数の個数: 64

約数和(自身を含む): 99066240

約数和(自身を除く): 56400920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 71, 83, 142, 166, 181, 284, 332, 355, 362, 415, 568, 664, 710, 724, 830, 905, 1420, 1448, 1660, 1810, 2840, 3320, 3620, 5893, 7240, 11786, 12851, 15023, 23572, 25702, 29465, 30046, 47144, 51404, 58930, 60092, 64255, 75115, 102808, 117860, 120184, 128510, 150230, 235720, 257020, 300460, 514040, 600920, 1066633, 2133266, 4266532, 5333165, 8533064, 10666330, 21332660, 42665320]

約数ペア:

[(1, 42665320), (2, 21332660), (4, 10666330), (5, 8533064), (8, 5333165), (10, 4266532), (20, 2133266), (40, 1066633), (71, 600920), (83, 514040), (142, 300460), (166, 257020), (181, 235720), (284, 150230), (332, 128510), (355, 120184), (362, 117860), (415, 102808), (568, 75115), (664, 64255), (710, 60092), (724, 58930), (830, 51404), (905, 47144), (1420, 30046), (1448, 29465), (1660, 25702), (1810, 23572), (2840, 15023), (3320, 12851), (3620, 11786), (5893, 7240)]