15740040980

素因数分解:

$2^2\times 5^1\times {\mathrm{787002049}}^1$

素因数の和:787002058

約数の個数: 12

約数和(自身を含む): 33054086100

約数和(自身を除く): 17314045120

約数列:

[1, 2, 4, 5, 10, 20, 787002049, 1574004098, 3148008196, 3935010245, 7870020490, 15740040980]

約数ペア:

[(1, 15740040980), (2, 7870020490), (4, 3935010245), (5, 3148008196), (10, 1574004098), (20, 787002049)]