85872020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{17383}}^1$

素因数の和:17424

約数の個数: 48

約数和(自身を含む): 204435840

約数和(自身を除く): 118563820

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 17383, 34766, 69532, 86915, 173830, 225979, 330277, 347660, 451958, 660554, 903916, 1129895, 1321108, 1651385, 2259790, 3302770, 4293601, 4519580, 6605540, 8587202, 17174404, 21468005, 42936010, 85872020]

約数ペア:

[(1, 85872020), (2, 42936010), (4, 21468005), (5, 17174404), (10, 8587202), (13, 6605540), (19, 4519580), (20, 4293601), (26, 3302770), (38, 2259790), (52, 1651385), (65, 1321108), (76, 1129895), (95, 903916), (130, 660554), (190, 451958), (247, 347660), (260, 330277), (380, 225979), (494, 173830), (988, 86915), (1235, 69532), (2470, 34766), (4940, 17383)]