538441720

素因数分解:

$2^3\times 5^1\times {\mathrm{1693}}^1\times {\mathrm{7951}}^1$

素因数の和:9655

約数の個数: 32

約数和(自身を含む): 1212361920

約数和(自身を除く): 673920200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1693, 3386, 6772, 7951, 8465, 13544, 15902, 16930, 31804, 33860, 39755, 63608, 67720, 79510, 159020, 318040, 13461043, 26922086, 53844172, 67305215, 107688344, 134610430, 269220860, 538441720]

約数ペア:

[(1, 538441720), (2, 269220860), (4, 134610430), (5, 107688344), (8, 67305215), (10, 53844172), (20, 26922086), (40, 13461043), (1693, 318040), (3386, 159020), (6772, 79510), (7951, 67720), (8465, 63608), (13544, 39755), (15902, 33860), (16930, 31804)]