54180020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{8387}}^1$

素因数の和:8432

約数の個数: 48

約数和(自身を含む): 126826560

約数和(自身を除く): 72646540

約数列:

[1, 2, 4, 5, 10, 17, 19, 20, 34, 38, 68, 76, 85, 95, 170, 190, 323, 340, 380, 646, 1292, 1615, 3230, 6460, 8387, 16774, 33548, 41935, 83870, 142579, 159353, 167740, 285158, 318706, 570316, 637412, 712895, 796765, 1425790, 1593530, 2709001, 2851580, 3187060, 5418002, 10836004, 13545005, 27090010, 54180020]

約数ペア:

[(1, 54180020), (2, 27090010), (4, 13545005), (5, 10836004), (10, 5418002), (17, 3187060), (19, 2851580), (20, 2709001), (34, 1593530), (38, 1425790), (68, 796765), (76, 712895), (85, 637412), (95, 570316), (170, 318706), (190, 285158), (323, 167740), (340, 159353), (380, 142579), (646, 83870), (1292, 41935), (1615, 33548), (3230, 16774), (6460, 8387)]