63870020

素因数分解:

$2^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{9887}}^1$

素因数の和:9932

約数の個数: 48

約数和(自身を含む): 149506560

約数和(自身を除く): 85636540

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, 9887, 19774, 39548, 49435, 98870, 168079, 187853, 197740, 336158, 375706, 672316, 751412, 840395, 939265, 1680790, 1878530, 3193501, 3361580, 3757060, 6387002, 12774004, 15967505, 31935010, 63870020]

約数ペア:

[(1, 63870020), (2, 31935010), (4, 15967505), (5, 12774004), (10, 6387002), (17, 3757060), (19, 3361580), (20, 3193501), (34, 1878530), (38, 1680790), (68, 939265), (76, 840395), (85, 751412), (95, 672316), (170, 375706), (190, 336158), (323, 197740), (340, 187853), (380, 168079), (646, 98870), (1292, 49435), (1615, 39548), (3230, 19774), (6460, 9887)]