40903040

素因数分解:

$2^7\times 5^1\times {\mathrm{79}}^1\times {\mathrm{809}}^1$

素因数の和:907

約数の個数: 64

約数和(自身を含む): 99144000

約数和(自身を除く): 58240960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 79, 80, 128, 158, 160, 316, 320, 395, 632, 640, 790, 809, 1264, 1580, 1618, 2528, 3160, 3236, 4045, 5056, 6320, 6472, 8090, 10112, 12640, 12944, 16180, 25280, 25888, 32360, 50560, 51776, 63911, 64720, 103552, 127822, 129440, 255644, 258880, 319555, 511288, 517760, 639110, 1022576, 1278220, 2045152, 2556440, 4090304, 5112880, 8180608, 10225760, 20451520, 40903040]

約数ペア:

[(1, 40903040), (2, 20451520), (4, 10225760), (5, 8180608), (8, 5112880), (10, 4090304), (16, 2556440), (20, 2045152), (32, 1278220), (40, 1022576), (64, 639110), (79, 517760), (80, 511288), (128, 319555), (158, 258880), (160, 255644), (316, 129440), (320, 127822), (395, 103552), (632, 64720), (640, 63911), (790, 51776), (809, 50560), (1264, 32360), (1580, 25888), (1618, 25280), (2528, 16180), (3160, 12944), (3236, 12640), (4045, 10112), (5056, 8090), (6320, 6472)]