85499420

素因数分解:

$2^2\times 5^1\times {\mathrm{107}}^1\times {\mathrm{39953}}^1$

素因数の和:40069

約数の個数: 24

約数和(自身を含む): 181231344

約数和(自身を除く): 95731924

約数列:

[1, 2, 4, 5, 10, 20, 107, 214, 428, 535, 1070, 2140, 39953, 79906, 159812, 199765, 399530, 799060, 4274971, 8549942, 17099884, 21374855, 42749710, 85499420]

約数ペア:

[(1, 85499420), (2, 42749710), (4, 21374855), (5, 17099884), (10, 8549942), (20, 4274971), (107, 799060), (214, 399530), (428, 199765), (535, 159812), (1070, 79906), (2140, 39953)]