129752080

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{8233}}^1$

素因数の和:8443

約数の個数: 40

約数和(自身を含む): 303241752

約数和(自身を除く): 173489672

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1576, 1970, 3152, 3940, 7880, 8233, 15760, 16466, 32932, 41165, 65864, 82330, 131728, 164660, 329320, 658640, 1621901, 3243802, 6487604, 8109505, 12975208, 16219010, 25950416, 32438020, 64876040, 129752080]

約数ペア:

[(1, 129752080), (2, 64876040), (4, 32438020), (5, 25950416), (8, 16219010), (10, 12975208), (16, 8109505), (20, 6487604), (40, 3243802), (80, 1621901), (197, 658640), (394, 329320), (788, 164660), (985, 131728), (1576, 82330), (1970, 65864), (3152, 41165), (3940, 32932), (7880, 16466), (8233, 15760)]