255787520

素因数分解:

$2^9\times 5^1\times {\mathrm{41}}^1\times {\mathrm{2437}}^1$

素因数の和:2501

約数の個数: 80

約数和(自身を含む): 628506648

約数和(自身を除く): 372719128

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 64, 80, 82, 128, 160, 164, 205, 256, 320, 328, 410, 512, 640, 656, 820, 1280, 1312, 1640, 2437, 2560, 2624, 3280, 4874, 5248, 6560, 9748, 10496, 12185, 13120, 19496, 20992, 24370, 26240, 38992, 48740, 52480, 77984, 97480, 99917, 104960, 155968, 194960, 199834, 311936, 389920, 399668, 499585, 623872, 779840, 799336, 999170, 1247744, 1559680, 1598672, 1998340, 3119360, 3197344, 3996680, 6238720, 6394688, 7993360, 12789376, 15986720, 25578752, 31973440, 51157504, 63946880, 127893760, 255787520]

約数ペア:

[(1, 255787520), (2, 127893760), (4, 63946880), (5, 51157504), (8, 31973440), (10, 25578752), (16, 15986720), (20, 12789376), (32, 7993360), (40, 6394688), (41, 6238720), (64, 3996680), (80, 3197344), (82, 3119360), (128, 1998340), (160, 1598672), (164, 1559680), (205, 1247744), (256, 999170), (320, 799336), (328, 779840), (410, 623872), (512, 499585), (640, 399668), (656, 389920), (820, 311936), (1280, 199834), (1312, 194960), (1640, 155968), (2437, 104960), (2560, 99917), (2624, 97480), (3280, 77984), (4874, 52480), (5248, 48740), (6560, 38992), (9748, 26240), (10496, 24370), (12185, 20992), (13120, 19496)]