13043920

素因数分解:

$2^4\times 5^1\times {\mathrm{103}}^1\times {\mathrm{1583}}^1$

素因数の和:1699

約数の個数: 40

約数和(自身を含む): 30640896

約数和(自身を除く): 17596976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 103, 206, 412, 515, 824, 1030, 1583, 1648, 2060, 3166, 4120, 6332, 7915, 8240, 12664, 15830, 25328, 31660, 63320, 126640, 163049, 326098, 652196, 815245, 1304392, 1630490, 2608784, 3260980, 6521960, 13043920]

約数ペア:

[(1, 13043920), (2, 6521960), (4, 3260980), (5, 2608784), (8, 1630490), (10, 1304392), (16, 815245), (20, 652196), (40, 326098), (80, 163049), (103, 126640), (206, 63320), (412, 31660), (515, 25328), (824, 15830), (1030, 12664), (1583, 8240), (1648, 7915), (2060, 6332), (3166, 4120)]