8348720

素因数分解:

$2^4\times 5^1\times {\mathrm{79}}^1\times {\mathrm{1321}}^1$

素因数の和:1413

約数の個数: 40

約数和(自身を含む): 19671360

約数和(自身を除く): 11322640

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 79, 80, 158, 316, 395, 632, 790, 1264, 1321, 1580, 2642, 3160, 5284, 6320, 6605, 10568, 13210, 21136, 26420, 52840, 104359, 105680, 208718, 417436, 521795, 834872, 1043590, 1669744, 2087180, 4174360, 8348720]

約数ペア:

[(1, 8348720), (2, 4174360), (4, 2087180), (5, 1669744), (8, 1043590), (10, 834872), (16, 521795), (20, 417436), (40, 208718), (79, 105680), (80, 104359), (158, 52840), (316, 26420), (395, 21136), (632, 13210), (790, 10568), (1264, 6605), (1321, 6320), (1580, 5284), (2642, 3160)]