48921520

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{6871}}^1$

素因数の和:6973

約数の個数: 40

約数和(自身を含む): 115037280

約数和(自身を除く): 66115760

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 6871, 7120, 13742, 27484, 34355, 54968, 68710, 109936, 137420, 274840, 549680, 611519, 1223038, 2446076, 3057595, 4892152, 6115190, 9784304, 12230380, 24460760, 48921520]

約数ペア:

[(1, 48921520), (2, 24460760), (4, 12230380), (5, 9784304), (8, 6115190), (10, 4892152), (16, 3057595), (20, 2446076), (40, 1223038), (80, 611519), (89, 549680), (178, 274840), (356, 137420), (445, 109936), (712, 68710), (890, 54968), (1424, 34355), (1780, 27484), (3560, 13742), (6871, 7120)]