28246240

素因数分解:

$2^5\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1459}}^1$

素因数の和:1496

約数の個数: 72

約数和(自身を含む): 73400040

約数和(自身を除く): 45153800

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 32, 40, 44, 55, 80, 88, 110, 121, 160, 176, 220, 242, 352, 440, 484, 605, 880, 968, 1210, 1459, 1760, 1936, 2420, 2918, 3872, 4840, 5836, 7295, 9680, 11672, 14590, 16049, 19360, 23344, 29180, 32098, 46688, 58360, 64196, 80245, 116720, 128392, 160490, 176539, 233440, 256784, 320980, 353078, 513568, 641960, 706156, 882695, 1283920, 1412312, 1765390, 2567840, 2824624, 3530780, 5649248, 7061560, 14123120, 28246240]

約数ペア:

[(1, 28246240), (2, 14123120), (4, 7061560), (5, 5649248), (8, 3530780), (10, 2824624), (11, 2567840), (16, 1765390), (20, 1412312), (22, 1283920), (32, 882695), (40, 706156), (44, 641960), (55, 513568), (80, 353078), (88, 320980), (110, 256784), (121, 233440), (160, 176539), (176, 160490), (220, 128392), (242, 116720), (352, 80245), (440, 64196), (484, 58360), (605, 46688), (880, 32098), (968, 29180), (1210, 23344), (1459, 19360), (1760, 16049), (1936, 14590), (2420, 11672), (2918, 9680), (3872, 7295), (4840, 5836)]