12996320

素因数分解:

$2^5\times 5^1\times {\mathrm{43}}^1\times {\mathrm{1889}}^1$

素因数の和:1947

約数の個数: 48

約数和(自身を含む): 31434480

約数和(自身を除く): 18438160

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 43, 80, 86, 160, 172, 215, 344, 430, 688, 860, 1376, 1720, 1889, 3440, 3778, 6880, 7556, 9445, 15112, 18890, 30224, 37780, 60448, 75560, 81227, 151120, 162454, 302240, 324908, 406135, 649816, 812270, 1299632, 1624540, 2599264, 3249080, 6498160, 12996320]

約数ペア:

[(1, 12996320), (2, 6498160), (4, 3249080), (5, 2599264), (8, 1624540), (10, 1299632), (16, 812270), (20, 649816), (32, 406135), (40, 324908), (43, 302240), (80, 162454), (86, 151120), (160, 81227), (172, 75560), (215, 60448), (344, 37780), (430, 30224), (688, 18890), (860, 15112), (1376, 9445), (1720, 7556), (1889, 6880), (3440, 3778)]