77963120

素因数分解:

$2^4\times 5^1\times {\mathrm{974539}}^1$

素因数の和:974552

約数の個数: 20

約数和(自身を含む): 181264440

約数和(自身を除く): 103301320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 974539, 1949078, 3898156, 4872695, 7796312, 9745390, 15592624, 19490780, 38981560, 77963120]

約数ペア:

[(1, 77963120), (2, 38981560), (4, 19490780), (5, 15592624), (8, 9745390), (10, 7796312), (16, 4872695), (20, 3898156), (40, 1949078), (80, 974539)]