56209720

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{367}}^1\times {\mathrm{547}}^1$

素因数の和:932

約数の個数: 64

約数和(自身を含む): 145198080

約数和(自身を除く): 88988360

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 280, 367, 547, 734, 1094, 1468, 1835, 2188, 2569, 2735, 2936, 3670, 3829, 4376, 5138, 5470, 7340, 7658, 10276, 10940, 12845, 14680, 15316, 19145, 20552, 21880, 25690, 30632, 38290, 51380, 76580, 102760, 153160, 200749, 401498, 802996, 1003745, 1405243, 1605992, 2007490, 2810486, 4014980, 5620972, 7026215, 8029960, 11241944, 14052430, 28104860, 56209720]

約数ペア:

[(1, 56209720), (2, 28104860), (4, 14052430), (5, 11241944), (7, 8029960), (8, 7026215), (10, 5620972), (14, 4014980), (20, 2810486), (28, 2007490), (35, 1605992), (40, 1405243), (56, 1003745), (70, 802996), (140, 401498), (280, 200749), (367, 153160), (547, 102760), (734, 76580), (1094, 51380), (1468, 38290), (1835, 30632), (2188, 25690), (2569, 21880), (2735, 20552), (2936, 19145), (3670, 15316), (3829, 14680), (4376, 12845), (5138, 10940), (5470, 10276), (7340, 7658)]