158889648880

素因数分解:

$2^4\times 5^1\times {\mathrm{1986120611}}^1$

素因数の和:1986120624

約数の個数: 20

約数和(自身を含む): 369418433832

約数和(自身を除く): 210528784952

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1986120611, 3972241222, 7944482444, 9930603055, 15888964888, 19861206110, 31777929776, 39722412220, 79444824440, 158889648880]

約数ペア:

[(1, 158889648880), (2, 79444824440), (4, 39722412220), (5, 31777929776), (8, 19861206110), (10, 15888964888), (16, 9930603055), (20, 7944482444), (40, 3972241222), (80, 1986120611)]