16374640

素因数分解:

$2^4\times 5^1\times {\mathrm{197}}^1\times {\mathrm{1039}}^1$

素因数の和:1249

約数の個数: 40

約数和(自身を含む): 38301120

約数和(自身を除く): 21926480

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 197, 394, 788, 985, 1039, 1576, 1970, 2078, 3152, 3940, 4156, 5195, 7880, 8312, 10390, 15760, 16624, 20780, 41560, 83120, 204683, 409366, 818732, 1023415, 1637464, 2046830, 3274928, 4093660, 8187320, 16374640]

約数ペア:

[(1, 16374640), (2, 8187320), (4, 4093660), (5, 3274928), (8, 2046830), (10, 1637464), (16, 1023415), (20, 818732), (40, 409366), (80, 204683), (197, 83120), (394, 41560), (788, 20780), (985, 16624), (1039, 15760), (1576, 10390), (1970, 8312), (2078, 7880), (3152, 5195), (3940, 4156)]