25671040

素因数分解:

$2^7\times 5^1\times {\mathrm{40111}}^1$

素因数の和:40130

約数の個数: 32

約数和(自身を含む): 61371360

約数和(自身を除く): 35700320

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 40111, 80222, 160444, 200555, 320888, 401110, 641776, 802220, 1283552, 1604440, 2567104, 3208880, 5134208, 6417760, 12835520, 25671040]

約数ペア:

[(1, 25671040), (2, 12835520), (4, 6417760), (5, 5134208), (8, 3208880), (10, 2567104), (16, 1604440), (20, 1283552), (32, 802220), (40, 641776), (64, 401110), (80, 320888), (128, 200555), (160, 160444), (320, 80222), (640, 40111)]