98979080

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{15761}}^1$

素因数の和:15929

約数の個数: 32

約数和(自身を含む): 224135640

約数和(自身を除く): 125156560

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 3140, 6280, 15761, 31522, 63044, 78805, 126088, 157610, 315220, 630440, 2474477, 4948954, 9897908, 12372385, 19795816, 24744770, 49489540, 98979080]

約数ペア:

[(1, 98979080), (2, 49489540), (4, 24744770), (5, 19795816), (8, 12372385), (10, 9897908), (20, 4948954), (40, 2474477), (157, 630440), (314, 315220), (628, 157610), (785, 126088), (1256, 78805), (1570, 63044), (3140, 31522), (6280, 15761)]