9090320

素因数分解:

$2^4\times 5^1\times {\mathrm{199}}^1\times {\mathrm{571}}^1$

素因数の和:783

約数の個数: 40

約数和(自身を含む): 21278400

約数和(自身を除く): 12188080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 199, 398, 571, 796, 995, 1142, 1592, 1990, 2284, 2855, 3184, 3980, 4568, 5710, 7960, 9136, 11420, 15920, 22840, 45680, 113629, 227258, 454516, 568145, 909032, 1136290, 1818064, 2272580, 4545160, 9090320]

約数ペア:

[(1, 9090320), (2, 4545160), (4, 2272580), (5, 1818064), (8, 1136290), (10, 909032), (16, 568145), (20, 454516), (40, 227258), (80, 113629), (199, 45680), (398, 22840), (571, 15920), (796, 11420), (995, 9136), (1142, 7960), (1592, 5710), (1990, 4568), (2284, 3980), (2855, 3184)]