80195890

素因数分解:

$2^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{337}}^1\times {\mathrm{449}}^1$

素因数の和:846

約数の個数: 32

約数和(自身を含む): 147841200

約数和(自身を除く): 67645310

約数列:

[1, 2, 5, 10, 53, 106, 265, 337, 449, 530, 674, 898, 1685, 2245, 3370, 4490, 17861, 23797, 35722, 47594, 89305, 118985, 151313, 178610, 237970, 302626, 756565, 1513130, 8019589, 16039178, 40097945, 80195890]

約数ペア:

[(1, 80195890), (2, 40097945), (5, 16039178), (10, 8019589), (53, 1513130), (106, 756565), (265, 302626), (337, 237970), (449, 178610), (530, 151313), (674, 118985), (898, 89305), (1685, 47594), (2245, 35722), (3370, 23797), (4490, 17861)]