40704760

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{7321}}^1$

素因数の和:7471

約数の個数: 32

約数和(自身を含む): 92257200

約数和(自身を除く): 51552440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 7321, 14642, 29284, 36605, 58568, 73210, 146420, 292840, 1017619, 2035238, 4070476, 5088095, 8140952, 10176190, 20352380, 40704760]

約数ペア:

[(1, 40704760), (2, 20352380), (4, 10176190), (5, 8140952), (8, 5088095), (10, 4070476), (20, 2035238), (40, 1017619), (139, 292840), (278, 146420), (556, 73210), (695, 58568), (1112, 36605), (1390, 29284), (2780, 14642), (5560, 7321)]