13775480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{8009}}^1$

素因数の和:8063

約数の個数: 32

約数和(自身を含む): 31719600

約数和(自身を除く): 17944120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 8009, 16018, 32036, 40045, 64072, 80090, 160180, 320360, 344387, 688774, 1377548, 1721935, 2755096, 3443870, 6887740, 13775480]

約数ペア:

[(1, 13775480), (2, 6887740), (4, 3443870), (5, 2755096), (8, 1721935), (10, 1377548), (20, 688774), (40, 344387), (43, 320360), (86, 160180), (172, 80090), (215, 64072), (344, 40045), (430, 32036), (860, 16018), (1720, 8009)]