26205520

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{97}}^1\times {\mathrm{307}}^1$

素因数の和:428

約数の個数: 80

約数和(自身を含む): 67370688

約数和(自身を除く): 41165168

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 97, 110, 176, 194, 220, 307, 388, 440, 485, 614, 776, 880, 970, 1067, 1228, 1535, 1552, 1940, 2134, 2456, 3070, 3377, 3880, 4268, 4912, 5335, 6140, 6754, 7760, 8536, 10670, 12280, 13508, 16885, 17072, 21340, 24560, 27016, 29779, 33770, 42680, 54032, 59558, 67540, 85360, 119116, 135080, 148895, 238232, 270160, 297790, 327569, 476464, 595580, 655138, 1191160, 1310276, 1637845, 2382320, 2620552, 3275690, 5241104, 6551380, 13102760, 26205520]

約数ペア:

[(1, 26205520), (2, 13102760), (4, 6551380), (5, 5241104), (8, 3275690), (10, 2620552), (11, 2382320), (16, 1637845), (20, 1310276), (22, 1191160), (40, 655138), (44, 595580), (55, 476464), (80, 327569), (88, 297790), (97, 270160), (110, 238232), (176, 148895), (194, 135080), (220, 119116), (307, 85360), (388, 67540), (440, 59558), (485, 54032), (614, 42680), (776, 33770), (880, 29779), (970, 27016), (1067, 24560), (1228, 21340), (1535, 17072), (1552, 16885), (1940, 13508), (2134, 12280), (2456, 10670), (3070, 8536), (3377, 7760), (3880, 6754), (4268, 6140), (4912, 5335)]