79201520

素因数分解:

$2^4\times 5^1\times {\mathrm{313}}^1\times {\mathrm{3163}}^1$

素因数の和:3489

約数の個数: 40

約数和(自身を含む): 184790256

約数和(自身を除く): 105588736

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 313, 626, 1252, 1565, 2504, 3130, 3163, 5008, 6260, 6326, 12520, 12652, 15815, 25040, 25304, 31630, 50608, 63260, 126520, 253040, 990019, 1980038, 3960076, 4950095, 7920152, 9900190, 15840304, 19800380, 39600760, 79201520]

約数ペア:

[(1, 79201520), (2, 39600760), (4, 19800380), (5, 15840304), (8, 9900190), (10, 7920152), (16, 4950095), (20, 3960076), (40, 1980038), (80, 990019), (313, 253040), (626, 126520), (1252, 63260), (1565, 50608), (2504, 31630), (3130, 25304), (3163, 25040), (5008, 15815), (6260, 12652), (6326, 12520)]