78624440

素因数分解:

$2^3\times 5^1\times {\mathrm{53}}^1\times {\mathrm{37087}}^1$

素因数の和:37151

約数の個数: 32

約数和(自身を含む): 180247680

約数和(自身を除く): 101623240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 53, 106, 212, 265, 424, 530, 1060, 2120, 37087, 74174, 148348, 185435, 296696, 370870, 741740, 1483480, 1965611, 3931222, 7862444, 9828055, 15724888, 19656110, 39312220, 78624440]

約数ペア:

[(1, 78624440), (2, 39312220), (4, 19656110), (5, 15724888), (8, 9828055), (10, 7862444), (20, 3931222), (40, 1965611), (53, 1483480), (106, 741740), (212, 370870), (265, 296696), (424, 185435), (530, 148348), (1060, 74174), (2120, 37087)]