85643620

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{251893}}^1$

素因数の和:251919

約数の個数: 24

約数和(自身を含む): 190431864

約数和(自身を除く): 104788244

約数列:

[1, 2, 4, 5, 10, 17, 20, 34, 68, 85, 170, 340, 251893, 503786, 1007572, 1259465, 2518930, 4282181, 5037860, 8564362, 17128724, 21410905, 42821810, 85643620]

約数ペア:

[(1, 85643620), (2, 42821810), (4, 21410905), (5, 17128724), (10, 8564362), (17, 5037860), (20, 4282181), (34, 2518930), (68, 1259465), (85, 1007572), (170, 503786), (340, 251893)]