86705170

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{19841}}^1$

素因数の和:19890

約数の個数: 32

約数和(自身を含む): 171434880

約数和(自身を除く): 84729710

約数列:

[1, 2, 5, 10, 19, 23, 38, 46, 95, 115, 190, 230, 437, 874, 2185, 4370, 19841, 39682, 99205, 198410, 376979, 456343, 753958, 912686, 1884895, 2281715, 3769790, 4563430, 8670517, 17341034, 43352585, 86705170]

約数ペア:

[(1, 86705170), (2, 43352585), (5, 17341034), (10, 8670517), (19, 4563430), (23, 3769790), (38, 2281715), (46, 1884895), (95, 912686), (115, 753958), (190, 456343), (230, 376979), (437, 198410), (874, 99205), (2185, 39682), (4370, 19841)]