156967769680

素因数分解:

$2^4\times 5^1\times {\mathrm{1962097121}}^1$

素因数の和:1962097134

約数の個数: 20

約数和(自身を含む): 364950064692

約数和(自身を除く): 207982295012

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1962097121, 3924194242, 7848388484, 9810485605, 15696776968, 19620971210, 31393553936, 39241942420, 78483884840, 156967769680]

約数ペア:

[(1, 156967769680), (2, 78483884840), (4, 39241942420), (5, 31393553936), (8, 19620971210), (10, 15696776968), (16, 9810485605), (20, 7848388484), (40, 3924194242), (80, 1962097121)]