40005945

素因数分解:

$3^2\times 5^1\times 7^1\times {\mathrm{89}}^1\times {\mathrm{1427}}^1$

素因数の和:1534

約数の個数: 48

約数和(自身を含む): 80196480

約数和(自身を除く): 40190535

約数列:

[1, 3, 5, 7, 9, 15, 21, 35, 45, 63, 89, 105, 267, 315, 445, 623, 801, 1335, 1427, 1869, 3115, 4005, 4281, 5607, 7135, 9345, 9989, 12843, 21405, 28035, 29967, 49945, 64215, 89901, 127003, 149835, 381009, 449505, 635015, 889021, 1143027, 1905045, 2667063, 4445105, 5715135, 8001189, 13335315, 40005945]

約数ペア:

[(1, 40005945), (3, 13335315), (5, 8001189), (7, 5715135), (9, 4445105), (15, 2667063), (21, 1905045), (35, 1143027), (45, 889021), (63, 635015), (89, 449505), (105, 381009), (267, 149835), (315, 127003), (445, 89901), (623, 64215), (801, 49945), (1335, 29967), (1427, 28035), (1869, 21405), (3115, 12843), (4005, 9989), (4281, 9345), (5607, 7135)]