28944760

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{55663}}^1$

素因数の和:55687

約数の個数: 32

約数和(自身を含む): 70136640

約数和(自身を除く): 41191880

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 55663, 111326, 222652, 278315, 445304, 556630, 723619, 1113260, 1447238, 2226520, 2894476, 3618095, 5788952, 7236190, 14472380, 28944760]

約数ペア:

[(1, 28944760), (2, 14472380), (4, 7236190), (5, 5788952), (8, 3618095), (10, 2894476), (13, 2226520), (20, 1447238), (26, 1113260), (40, 723619), (52, 556630), (65, 445304), (104, 278315), (130, 222652), (260, 111326), (520, 55663)]