1130320

素因数分解:

$2^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{199}}^1$

素因数の和:283

約数の個数: 40

約数和(自身を含む): 2678400

約数和(自身を除く): 1548080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 71, 80, 142, 199, 284, 355, 398, 568, 710, 796, 995, 1136, 1420, 1592, 1990, 2840, 3184, 3980, 5680, 7960, 14129, 15920, 28258, 56516, 70645, 113032, 141290, 226064, 282580, 565160, 1130320]

約数ペア:

[(1, 1130320), (2, 565160), (4, 282580), (5, 226064), (8, 141290), (10, 113032), (16, 70645), (20, 56516), (40, 28258), (71, 15920), (80, 14129), (142, 7960), (199, 5680), (284, 3980), (355, 3184), (398, 2840), (568, 1990), (710, 1592), (796, 1420), (995, 1136)]