25500440

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{1493}}^1$

素因数の和:1572

約数の個数: 64

約数和(自身を含む): 66692160

約数和(自身を除く): 41191720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 61, 70, 122, 140, 244, 280, 305, 427, 488, 610, 854, 1220, 1493, 1708, 2135, 2440, 2986, 3416, 4270, 5972, 7465, 8540, 10451, 11944, 14930, 17080, 20902, 29860, 41804, 52255, 59720, 83608, 91073, 104510, 182146, 209020, 364292, 418040, 455365, 637511, 728584, 910730, 1275022, 1821460, 2550044, 3187555, 3642920, 5100088, 6375110, 12750220, 25500440]

約数ペア:

[(1, 25500440), (2, 12750220), (4, 6375110), (5, 5100088), (7, 3642920), (8, 3187555), (10, 2550044), (14, 1821460), (20, 1275022), (28, 910730), (35, 728584), (40, 637511), (56, 455365), (61, 418040), (70, 364292), (122, 209020), (140, 182146), (244, 104510), (280, 91073), (305, 83608), (427, 59720), (488, 52255), (610, 41804), (854, 29860), (1220, 20902), (1493, 17080), (1708, 14930), (2135, 11944), (2440, 10451), (2986, 8540), (3416, 7465), (4270, 5972)]