39338320

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{353}}^1$

素因数の和:572

約数の個数: 80

約数和(自身を含む): 105350400

約数和(自身を除く): 66012080

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 140, 199, 280, 353, 398, 560, 706, 796, 995, 1393, 1412, 1592, 1765, 1990, 2471, 2786, 2824, 3184, 3530, 3980, 4942, 5572, 5648, 6965, 7060, 7960, 9884, 11144, 12355, 13930, 14120, 15920, 19768, 22288, 24710, 27860, 28240, 39536, 49420, 55720, 70247, 98840, 111440, 140494, 197680, 280988, 351235, 491729, 561976, 702470, 983458, 1123952, 1404940, 1966916, 2458645, 2809880, 3933832, 4917290, 5619760, 7867664, 9834580, 19669160, 39338320]

約数ペア:

[(1, 39338320), (2, 19669160), (4, 9834580), (5, 7867664), (7, 5619760), (8, 4917290), (10, 3933832), (14, 2809880), (16, 2458645), (20, 1966916), (28, 1404940), (35, 1123952), (40, 983458), (56, 702470), (70, 561976), (80, 491729), (112, 351235), (140, 280988), (199, 197680), (280, 140494), (353, 111440), (398, 98840), (560, 70247), (706, 55720), (796, 49420), (995, 39536), (1393, 28240), (1412, 27860), (1592, 24710), (1765, 22288), (1990, 19768), (2471, 15920), (2786, 14120), (2824, 13930), (3184, 12355), (3530, 11144), (3980, 9884), (4942, 7960), (5572, 7060), (5648, 6965)]