25240040

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{109}}^1\times {\mathrm{827}}^1$

素因数の和:954

約数の個数: 64

約数和(自身を含む): 65577600

約数和(自身を除く): 40337560

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 109, 140, 218, 280, 436, 545, 763, 827, 872, 1090, 1526, 1654, 2180, 3052, 3308, 3815, 4135, 4360, 5789, 6104, 6616, 7630, 8270, 11578, 15260, 16540, 23156, 28945, 30520, 33080, 46312, 57890, 90143, 115780, 180286, 231560, 360572, 450715, 631001, 721144, 901430, 1262002, 1802860, 2524004, 3155005, 3605720, 5048008, 6310010, 12620020, 25240040]

約数ペア:

[(1, 25240040), (2, 12620020), (4, 6310010), (5, 5048008), (7, 3605720), (8, 3155005), (10, 2524004), (14, 1802860), (20, 1262002), (28, 901430), (35, 721144), (40, 631001), (56, 450715), (70, 360572), (109, 231560), (140, 180286), (218, 115780), (280, 90143), (436, 57890), (545, 46312), (763, 33080), (827, 30520), (872, 28945), (1090, 23156), (1526, 16540), (1654, 15260), (2180, 11578), (3052, 8270), (3308, 7630), (3815, 6616), (4135, 6104), (4360, 5789)]