25614440

素因数分解:

$2^3\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1613}}^1$

素因数の和:2021

約数の個数: 32

約数和(自身を含む): 57813480

約数和(自身を除く): 32199040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 397, 794, 1588, 1613, 1985, 3176, 3226, 3970, 6452, 7940, 8065, 12904, 15880, 16130, 32260, 64520, 640361, 1280722, 2561444, 3201805, 5122888, 6403610, 12807220, 25614440]

約数ペア:

[(1, 25614440), (2, 12807220), (4, 6403610), (5, 5122888), (8, 3201805), (10, 2561444), (20, 1280722), (40, 640361), (397, 64520), (794, 32260), (1588, 16130), (1613, 15880), (1985, 12904), (3176, 8065), (3226, 7940), (3970, 6452)]