196508240

素因数分解:

$2^4\times 5^1\times {\mathrm{2456353}}^1$

素因数の和:2456366

約数の個数: 20

約数和(自身を含む): 456881844

約数和(自身を除く): 260373604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2456353, 4912706, 9825412, 12281765, 19650824, 24563530, 39301648, 49127060, 98254120, 196508240]

約数ペア:

[(1, 196508240), (2, 98254120), (4, 49127060), (5, 39301648), (8, 24563530), (10, 19650824), (16, 12281765), (20, 9825412), (40, 4912706), (80, 2456353)]