8580020

素因数分解:

$2^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{337}}^1$

素因数の和:432

約数の個数: 48

約数和(自身を含む): 19306560

約数和(自身を除く): 10726540

約数列:

[1, 2, 4, 5, 10, 19, 20, 38, 67, 76, 95, 134, 190, 268, 335, 337, 380, 670, 674, 1273, 1340, 1348, 1685, 2546, 3370, 5092, 6365, 6403, 6740, 12730, 12806, 22579, 25460, 25612, 32015, 45158, 64030, 90316, 112895, 128060, 225790, 429001, 451580, 858002, 1716004, 2145005, 4290010, 8580020]

約数ペア:

[(1, 8580020), (2, 4290010), (4, 2145005), (5, 1716004), (10, 858002), (19, 451580), (20, 429001), (38, 225790), (67, 128060), (76, 112895), (95, 90316), (134, 64030), (190, 45158), (268, 32015), (335, 25612), (337, 25460), (380, 22579), (670, 12806), (674, 12730), (1273, 6740), (1340, 6403), (1348, 6365), (1685, 5092), (2546, 3370)]