79954760

素因数分解:

$2^3\times 5^1\times {\mathrm{163}}^1\times {\mathrm{12263}}^1$

素因数の和:12437

約数の個数: 32

約数和(自身を含む): 181016640

約数和(自身を除く): 101061880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 163, 326, 652, 815, 1304, 1630, 3260, 6520, 12263, 24526, 49052, 61315, 98104, 122630, 245260, 490520, 1998869, 3997738, 7995476, 9994345, 15990952, 19988690, 39977380, 79954760]

約数ペア:

[(1, 79954760), (2, 39977380), (4, 19988690), (5, 15990952), (8, 9994345), (10, 7995476), (20, 3997738), (40, 1998869), (163, 490520), (326, 245260), (652, 122630), (815, 98104), (1304, 61315), (1630, 49052), (3260, 24526), (6520, 12263)]