2577882680

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{239}}^1\times {\mathrm{6271}}^1$

素因数の和:6564

約数の個数: 64

約数和(自身を含む): 5960908800

約数和(自身を除く): 3383026120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 239, 344, 430, 478, 860, 956, 1195, 1720, 1912, 2390, 4780, 6271, 9560, 10277, 12542, 20554, 25084, 31355, 41108, 50168, 51385, 62710, 82216, 102770, 125420, 205540, 250840, 269653, 411080, 539306, 1078612, 1348265, 1498769, 2157224, 2696530, 2997538, 5393060, 5995076, 7493845, 10786120, 11990152, 14987690, 29975380, 59950760, 64447067, 128894134, 257788268, 322235335, 515576536, 644470670, 1288941340, 2577882680]

約数ペア:

[(1, 2577882680), (2, 1288941340), (4, 644470670), (5, 515576536), (8, 322235335), (10, 257788268), (20, 128894134), (40, 64447067), (43, 59950760), (86, 29975380), (172, 14987690), (215, 11990152), (239, 10786120), (344, 7493845), (430, 5995076), (478, 5393060), (860, 2997538), (956, 2696530), (1195, 2157224), (1720, 1498769), (1912, 1348265), (2390, 1078612), (4780, 539306), (6271, 411080), (9560, 269653), (10277, 250840), (12542, 205540), (20554, 125420), (25084, 102770), (31355, 82216), (41108, 62710), (50168, 51385)]