40017964

素因数分解:

$2^2\times 7^1\times {\mathrm{571}}^1\times {\mathrm{2503}}^1$

素因数の和:3085

約数の個数: 24

約数和(自身を含む): 80208128

約数和(自身を除く): 40190164

約数列:

[1, 2, 4, 7, 14, 28, 571, 1142, 2284, 2503, 3997, 5006, 7994, 10012, 15988, 17521, 35042, 70084, 1429213, 2858426, 5716852, 10004491, 20008982, 40017964]

約数ペア:

[(1, 40017964), (2, 20008982), (4, 10004491), (7, 5716852), (14, 2858426), (28, 1429213), (571, 70084), (1142, 35042), (2284, 17521), (2503, 15988), (3997, 10012), (5006, 7994)]