40639670

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{107}}^1\times {\mathrm{1999}}^1$

素因数の和:2132

約数の個数: 32

約数和(自身を含む): 77760000

約数和(自身を除く): 37120330

約数列:

[1, 2, 5, 10, 19, 38, 95, 107, 190, 214, 535, 1070, 1999, 2033, 3998, 4066, 9995, 10165, 19990, 20330, 37981, 75962, 189905, 213893, 379810, 427786, 1069465, 2138930, 4063967, 8127934, 20319835, 40639670]

約数ペア:

[(1, 40639670), (2, 20319835), (5, 8127934), (10, 4063967), (19, 2138930), (38, 1069465), (95, 427786), (107, 379810), (190, 213893), (214, 189905), (535, 75962), (1070, 37981), (1999, 20330), (2033, 19990), (3998, 10165), (4066, 9995)]