129964760

素因数分解:

$2^3\times 5^1\times {\mathrm{1627}}^1\times {\mathrm{1997}}^1$

素因数の和:3635

約数の個数: 32

約数和(自身を含む): 292746960

約数和(自身を除く): 162782200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1627, 1997, 3254, 3994, 6508, 7988, 8135, 9985, 13016, 15976, 16270, 19970, 32540, 39940, 65080, 79880, 3249119, 6498238, 12996476, 16245595, 25992952, 32491190, 64982380, 129964760]

約数ペア:

[(1, 129964760), (2, 64982380), (4, 32491190), (5, 25992952), (8, 16245595), (10, 12996476), (20, 6498238), (40, 3249119), (1627, 79880), (1997, 65080), (3254, 39940), (3994, 32540), (6508, 19970), (7988, 16270), (8135, 15976), (9985, 13016)]