55685680

素因数分解:

$2^4\times 5^1\times {\mathrm{61}}^1\times {\mathrm{11411}}^1$

素因数の和:11485

約数の個数: 40

約数和(自身を含む): 131603184

約数和(自身を除く): 75917504

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 61, 80, 122, 244, 305, 488, 610, 976, 1220, 2440, 4880, 11411, 22822, 45644, 57055, 91288, 114110, 182576, 228220, 456440, 696071, 912880, 1392142, 2784284, 3480355, 5568568, 6960710, 11137136, 13921420, 27842840, 55685680]

約数ペア:

[(1, 55685680), (2, 27842840), (4, 13921420), (5, 11137136), (8, 6960710), (10, 5568568), (16, 3480355), (20, 2784284), (40, 1392142), (61, 912880), (80, 696071), (122, 456440), (244, 228220), (305, 182576), (488, 114110), (610, 91288), (976, 57055), (1220, 45644), (2440, 22822), (4880, 11411)]