40857860

素因数分解:

$2^2\times 5^1\times {\mathrm{257}}^1\times {\mathrm{7949}}^1$

素因数の和:8215

約数の個数: 24

約数和(自身を含む): 86146200

約数和(自身を除く): 45288340

約数列:

[1, 2, 4, 5, 10, 20, 257, 514, 1028, 1285, 2570, 5140, 7949, 15898, 31796, 39745, 79490, 158980, 2042893, 4085786, 8171572, 10214465, 20428930, 40857860]

約数ペア:

[(1, 40857860), (2, 20428930), (4, 10214465), (5, 8171572), (10, 4085786), (20, 2042893), (257, 158980), (514, 79490), (1028, 39745), (1285, 31796), (2570, 15898), (5140, 7949)]