25893760

素因数分解:

$2^7\times 5^1\times {\mathrm{40459}}^1$

素因数の和:40478

約数の個数: 32

約数和(自身を含む): 61903800

約数和(自身を除く): 36010040

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40459, 80918, 161836, 202295, 323672, 404590, 647344, 809180, 1294688, 1618360, 2589376, 3236720, 5178752, 6473440, 12946880, 25893760]

約数ペア:

[(1, 25893760), (2, 12946880), (4, 6473440), (5, 5178752), (8, 3236720), (10, 2589376), (16, 1618360), (20, 1294688), (32, 809180), (40, 647344), (64, 404590), (80, 323672), (128, 202295), (160, 161836), (320, 80918), (640, 40459)]