66659511320

素因数分解:

$2^3\times 5^1\times {\mathrm{8443}}^1\times {\mathrm{197381}}^1$

素因数の和:205835

約数の個数: 32

約数和(自身を含む): 150002424720

約数和(自身を除く): 83342913400

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 8443, 16886, 33772, 42215, 67544, 84430, 168860, 197381, 337720, 394762, 789524, 986905, 1579048, 1973810, 3947620, 7895240, 1666487783, 3332975566, 6665951132, 8332438915, 13331902264, 16664877830, 33329755660, 66659511320]

約数ペア:

[(1, 66659511320), (2, 33329755660), (4, 16664877830), (5, 13331902264), (8, 8332438915), (10, 6665951132), (20, 3332975566), (40, 1666487783), (8443, 7895240), (16886, 3947620), (33772, 1973810), (42215, 1579048), (67544, 986905), (84430, 789524), (168860, 394762), (197381, 337720)]