51422440

素因数分解:

$2^3\times 5^1\times {\mathrm{797}}^1\times {\mathrm{1613}}^1$

素因数の和:2421

約数の個数: 32

約数和(自身を含む): 115917480

約数和(自身を除く): 64495040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 797, 1594, 1613, 3188, 3226, 3985, 6376, 6452, 7970, 8065, 12904, 15940, 16130, 31880, 32260, 64520, 1285561, 2571122, 5142244, 6427805, 10284488, 12855610, 25711220, 51422440]

約数ペア:

[(1, 51422440), (2, 25711220), (4, 12855610), (5, 10284488), (8, 6427805), (10, 5142244), (20, 2571122), (40, 1285561), (797, 64520), (1594, 32260), (1613, 31880), (3188, 16130), (3226, 15940), (3985, 12904), (6376, 8065), (6452, 7970)]