54328280

素因数分解:

$2^3\times 5^1\times {\mathrm{41}}^1\times {\mathrm{157}}^1\times {\mathrm{211}}^1$

素因数の和:420

約数の個数: 64

約数和(自身を含む): 126614880

約数和(自身を除く): 72286600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 41, 82, 157, 164, 205, 211, 314, 328, 410, 422, 628, 785, 820, 844, 1055, 1256, 1570, 1640, 1688, 2110, 3140, 4220, 6280, 6437, 8440, 8651, 12874, 17302, 25748, 32185, 33127, 34604, 43255, 51496, 64370, 66254, 69208, 86510, 128740, 132508, 165635, 173020, 257480, 265016, 331270, 346040, 662540, 1325080, 1358207, 2716414, 5432828, 6791035, 10865656, 13582070, 27164140, 54328280]

約数ペア:

[(1, 54328280), (2, 27164140), (4, 13582070), (5, 10865656), (8, 6791035), (10, 5432828), (20, 2716414), (40, 1358207), (41, 1325080), (82, 662540), (157, 346040), (164, 331270), (205, 265016), (211, 257480), (314, 173020), (328, 165635), (410, 132508), (422, 128740), (628, 86510), (785, 69208), (820, 66254), (844, 64370), (1055, 51496), (1256, 43255), (1570, 34604), (1640, 33127), (1688, 32185), (2110, 25748), (3140, 17302), (4220, 12874), (6280, 8651), (6437, 8440)]