26560240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{43}}^1\times {\mathrm{1103}}^1$

素因数の和:1166

約数の個数: 80

約数和(自身を含む): 72281088

約数和(自身を除く): 45720848

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 43, 56, 70, 80, 86, 112, 140, 172, 215, 280, 301, 344, 430, 560, 602, 688, 860, 1103, 1204, 1505, 1720, 2206, 2408, 3010, 3440, 4412, 4816, 5515, 6020, 7721, 8824, 11030, 12040, 15442, 17648, 22060, 24080, 30884, 38605, 44120, 47429, 61768, 77210, 88240, 94858, 123536, 154420, 189716, 237145, 308840, 332003, 379432, 474290, 617680, 664006, 758864, 948580, 1328012, 1660015, 1897160, 2656024, 3320030, 3794320, 5312048, 6640060, 13280120, 26560240]

約数ペア:

[(1, 26560240), (2, 13280120), (4, 6640060), (5, 5312048), (7, 3794320), (8, 3320030), (10, 2656024), (14, 1897160), (16, 1660015), (20, 1328012), (28, 948580), (35, 758864), (40, 664006), (43, 617680), (56, 474290), (70, 379432), (80, 332003), (86, 308840), (112, 237145), (140, 189716), (172, 154420), (215, 123536), (280, 94858), (301, 88240), (344, 77210), (430, 61768), (560, 47429), (602, 44120), (688, 38605), (860, 30884), (1103, 24080), (1204, 22060), (1505, 17648), (1720, 15442), (2206, 12040), (2408, 11030), (3010, 8824), (3440, 7721), (4412, 6020), (4816, 5515)]