520019840

素因数分解:

$2^7\times 5^1\times {\mathrm{151}}^1\times {\mathrm{5381}}^1$

素因数の和:5551

約数の個数: 64

約数和(自身を含む): 1251637920

約数和(自身を除く): 731618080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 151, 160, 302, 320, 604, 640, 755, 1208, 1510, 2416, 3020, 4832, 5381, 6040, 9664, 10762, 12080, 19328, 21524, 24160, 26905, 43048, 48320, 53810, 86096, 96640, 107620, 172192, 215240, 344384, 430480, 688768, 812531, 860960, 1625062, 1721920, 3250124, 3443840, 4062655, 6500248, 8125310, 13000496, 16250620, 26000992, 32501240, 52001984, 65002480, 104003968, 130004960, 260009920, 520019840]

約数ペア:

[(1, 520019840), (2, 260009920), (4, 130004960), (5, 104003968), (8, 65002480), (10, 52001984), (16, 32501240), (20, 26000992), (32, 16250620), (40, 13000496), (64, 8125310), (80, 6500248), (128, 4062655), (151, 3443840), (160, 3250124), (302, 1721920), (320, 1625062), (604, 860960), (640, 812531), (755, 688768), (1208, 430480), (1510, 344384), (2416, 215240), (3020, 172192), (4832, 107620), (5381, 96640), (6040, 86096), (9664, 53810), (10762, 48320), (12080, 43048), (19328, 26905), (21524, 24160)]