64181960

素因数分解:

$2^3\times 5^1\times {\mathrm{23}}^1\times {\mathrm{69763}}^1$

素因数の和:69797

約数の個数: 32

約数和(自身を含む): 150690240

約数和(自身を除く): 86508280

約数列:

[1, 2, 4, 5, 8, 10, 20, 23, 40, 46, 92, 115, 184, 230, 460, 920, 69763, 139526, 279052, 348815, 558104, 697630, 1395260, 1604549, 2790520, 3209098, 6418196, 8022745, 12836392, 16045490, 32090980, 64181960]

約数ペア:

[(1, 64181960), (2, 32090980), (4, 16045490), (5, 12836392), (8, 8022745), (10, 6418196), (20, 3209098), (23, 2790520), (40, 1604549), (46, 1395260), (92, 697630), (115, 558104), (184, 348815), (230, 279052), (460, 139526), (920, 69763)]