128436760

素因数分解:

$2^3\times 5^1\times {\mathrm{1097}}^1\times {\mathrm{2927}}^1$

素因数の和:4035

約数の個数: 32

約数和(自身を含む): 289344960

約数和(自身を除く): 160908200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1097, 2194, 2927, 4388, 5485, 5854, 8776, 10970, 11708, 14635, 21940, 23416, 29270, 43880, 58540, 117080, 3210919, 6421838, 12843676, 16054595, 25687352, 32109190, 64218380, 128436760]

約数ペア:

[(1, 128436760), (2, 64218380), (4, 32109190), (5, 25687352), (8, 16054595), (10, 12843676), (20, 6421838), (40, 3210919), (1097, 117080), (2194, 58540), (2927, 43880), (4388, 29270), (5485, 23416), (5854, 21940), (8776, 14635), (10970, 11708)]