51673520

素因数分解:

$2^4\times 5^1\times {\mathrm{397}}^1\times {\mathrm{1627}}^1$

素因数の和:2037

約数の個数: 40

約数和(自身を含む): 120517584

約数和(自身を除く): 68844064

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 397, 794, 1588, 1627, 1985, 3176, 3254, 3970, 6352, 6508, 7940, 8135, 13016, 15880, 16270, 26032, 31760, 32540, 65080, 130160, 645919, 1291838, 2583676, 3229595, 5167352, 6459190, 10334704, 12918380, 25836760, 51673520]

約数ペア:

[(1, 51673520), (2, 25836760), (4, 12918380), (5, 10334704), (8, 6459190), (10, 5167352), (16, 3229595), (20, 2583676), (40, 1291838), (80, 645919), (397, 130160), (794, 65080), (1588, 32540), (1627, 31760), (1985, 26032), (3176, 16270), (3254, 15880), (3970, 13016), (6352, 8135), (6508, 7940)]