51151120

素因数分解:

$2^4\times 5^1\times {\mathrm{317}}^1\times {\mathrm{2017}}^1$

素因数の和:2347

約数の個数: 40

約数和(自身を含む): 119360664

約数和(自身を除く): 68209544

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 317, 634, 1268, 1585, 2017, 2536, 3170, 4034, 5072, 6340, 8068, 10085, 12680, 16136, 20170, 25360, 32272, 40340, 80680, 161360, 639389, 1278778, 2557556, 3196945, 5115112, 6393890, 10230224, 12787780, 25575560, 51151120]

約数ペア:

[(1, 51151120), (2, 25575560), (4, 12787780), (5, 10230224), (8, 6393890), (10, 5115112), (16, 3196945), (20, 2557556), (40, 1278778), (80, 639389), (317, 161360), (634, 80680), (1268, 40340), (1585, 32272), (2017, 25360), (2536, 20170), (3170, 16136), (4034, 12680), (5072, 10085), (6340, 8068)]