15663548240

素因数分解:

$2^4\times 5^1\times {\mathrm{195794353}}^1$

素因数の和:195794366

約数の個数: 20

約数和(自身を含む): 36417749844

約数和(自身を除く): 20754201604

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 195794353, 391588706, 783177412, 978971765, 1566354824, 1957943530, 3132709648, 3915887060, 7831774120, 15663548240]

約数ペア:

[(1, 15663548240), (2, 7831774120), (4, 3915887060), (5, 3132709648), (8, 1957943530), (10, 1566354824), (16, 978971765), (20, 783177412), (40, 391588706), (80, 195794353)]