98686520

素因数分解:

$2^3\times 5^1\times {\mathrm{311}}^1\times {\mathrm{7933}}^1$

素因数の和:8255

約数の個数: 32

約数和(自身を含む): 222786720

約数和(自身を除く): 124100200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 311, 622, 1244, 1555, 2488, 3110, 6220, 7933, 12440, 15866, 31732, 39665, 63464, 79330, 158660, 317320, 2467163, 4934326, 9868652, 12335815, 19737304, 24671630, 49343260, 98686520]

約数ペア:

[(1, 98686520), (2, 49343260), (4, 24671630), (5, 19737304), (8, 12335815), (10, 9868652), (20, 4934326), (40, 2467163), (311, 317320), (622, 158660), (1244, 79330), (1555, 63464), (2488, 39665), (3110, 31732), (6220, 15866), (7933, 12440)]