156979318660

素因数分解:

$2^2\times 5^1\times {\mathrm{1987}}^1\times {\mathrm{3950159}}^1$

素因数の和:3952155

約数の個数: 24

約数和(自身を含む): 329822559360

約数和(自身を除く): 172843240700

約数列:

[1, 2, 4, 5, 10, 20, 1987, 3974, 7948, 9935, 19870, 39740, 3950159, 7900318, 15800636, 19750795, 39501590, 79003180, 7848965933, 15697931866, 31395863732, 39244829665, 78489659330, 156979318660]

約数ペア:

[(1, 156979318660), (2, 78489659330), (4, 39244829665), (5, 31395863732), (10, 15697931866), (20, 7848965933), (1987, 79003180), (3974, 39501590), (7948, 19750795), (9935, 15800636), (19870, 7900318), (39740, 3950159)]