13666480

素因数分解:

$2^4\times 5^1\times {\mathrm{139}}^1\times {\mathrm{1229}}^1$

素因数の和:1381

約数の個数: 40

約数和(自身を含む): 32029200

約数和(自身を除く): 18362720

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 139, 278, 556, 695, 1112, 1229, 1390, 2224, 2458, 2780, 4916, 5560, 6145, 9832, 11120, 12290, 19664, 24580, 49160, 98320, 170831, 341662, 683324, 854155, 1366648, 1708310, 2733296, 3416620, 6833240, 13666480]

約数ペア:

[(1, 13666480), (2, 6833240), (4, 3416620), (5, 2733296), (8, 1708310), (10, 1366648), (16, 854155), (20, 683324), (40, 341662), (80, 170831), (139, 98320), (278, 49160), (556, 24580), (695, 19664), (1112, 12290), (1229, 11120), (1390, 9832), (2224, 6145), (2458, 5560), (2780, 4916)]