40837720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13259}}^1$

素因数の和:13288

約数の個数: 64

約数和(自身を含む): 114566400

約数和(自身を除く): 73728680

約数列:

[1, 2, 4, 5, 7, 8, 10, 11, 14, 20, 22, 28, 35, 40, 44, 55, 56, 70, 77, 88, 110, 140, 154, 220, 280, 308, 385, 440, 616, 770, 1540, 3080, 13259, 26518, 53036, 66295, 92813, 106072, 132590, 145849, 185626, 265180, 291698, 371252, 464065, 530360, 583396, 729245, 742504, 928130, 1020943, 1166792, 1458490, 1856260, 2041886, 2916980, 3712520, 4083772, 5104715, 5833960, 8167544, 10209430, 20418860, 40837720]

約数ペア:

[(1, 40837720), (2, 20418860), (4, 10209430), (5, 8167544), (7, 5833960), (8, 5104715), (10, 4083772), (11, 3712520), (14, 2916980), (20, 2041886), (22, 1856260), (28, 1458490), (35, 1166792), (40, 1020943), (44, 928130), (55, 742504), (56, 729245), (70, 583396), (77, 530360), (88, 464065), (110, 371252), (140, 291698), (154, 265180), (220, 185626), (280, 145849), (308, 132590), (385, 106072), (440, 92813), (616, 66295), (770, 53036), (1540, 26518), (3080, 13259)]