72049240

素因数分解:

$2^3\times 5^1\times {\mathrm{811}}^1\times {\mathrm{2221}}^1$

素因数の和:3043

約数の個数: 32

約数和(自身を含む): 162383760

約数和(自身を除く): 90334520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 811, 1622, 2221, 3244, 4055, 4442, 6488, 8110, 8884, 11105, 16220, 17768, 22210, 32440, 44420, 88840, 1801231, 3602462, 7204924, 9006155, 14409848, 18012310, 36024620, 72049240]

約数ペア:

[(1, 72049240), (2, 36024620), (4, 18012310), (5, 14409848), (8, 9006155), (10, 7204924), (20, 3602462), (40, 1801231), (811, 88840), (1622, 44420), (2221, 32440), (3244, 22210), (4055, 17768), (4442, 16220), (6488, 11105), (8110, 8884)]