28896140

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{15877}}^1$

素因数の和:15906

約数の個数: 48

約数和(自身を含む): 74690112

約数和(自身を除く): 45793972

約数列:

[1, 2, 4, 5, 7, 10, 13, 14, 20, 26, 28, 35, 52, 65, 70, 91, 130, 140, 182, 260, 364, 455, 910, 1820, 15877, 31754, 63508, 79385, 111139, 158770, 206401, 222278, 317540, 412802, 444556, 555695, 825604, 1032005, 1111390, 1444807, 2064010, 2222780, 2889614, 4128020, 5779228, 7224035, 14448070, 28896140]

約数ペア:

[(1, 28896140), (2, 14448070), (4, 7224035), (5, 5779228), (7, 4128020), (10, 2889614), (13, 2222780), (14, 2064010), (20, 1444807), (26, 1111390), (28, 1032005), (35, 825604), (52, 555695), (65, 444556), (70, 412802), (91, 317540), (130, 222278), (140, 206401), (182, 158770), (260, 111139), (364, 79385), (455, 63508), (910, 31754), (1820, 15877)]