1258523920

素因数分解:

$2^4\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{1093}}^1$

素因数の和:1532

約数の個数: 80

約数和(自身を含む): 3015632880

約数和(自身を除く): 1757108960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 37, 40, 74, 80, 148, 185, 296, 370, 389, 592, 740, 778, 1093, 1480, 1556, 1945, 2186, 2960, 3112, 3890, 4372, 5465, 6224, 7780, 8744, 10930, 14393, 15560, 17488, 21860, 28786, 31120, 40441, 43720, 57572, 71965, 80882, 87440, 115144, 143930, 161764, 202205, 230288, 287860, 323528, 404410, 425177, 575720, 647056, 808820, 850354, 1151440, 1617640, 1700708, 2125885, 3235280, 3401416, 4251770, 6802832, 8503540, 15731549, 17007080, 31463098, 34014160, 62926196, 78657745, 125852392, 157315490, 251704784, 314630980, 629261960, 1258523920]

約数ペア:

[(1, 1258523920), (2, 629261960), (4, 314630980), (5, 251704784), (8, 157315490), (10, 125852392), (16, 78657745), (20, 62926196), (37, 34014160), (40, 31463098), (74, 17007080), (80, 15731549), (148, 8503540), (185, 6802832), (296, 4251770), (370, 3401416), (389, 3235280), (592, 2125885), (740, 1700708), (778, 1617640), (1093, 1151440), (1480, 850354), (1556, 808820), (1945, 647056), (2186, 575720), (2960, 425177), (3112, 404410), (3890, 323528), (4372, 287860), (5465, 230288), (6224, 202205), (7780, 161764), (8744, 143930), (10930, 115144), (14393, 87440), (15560, 80882), (17488, 71965), (21860, 57572), (28786, 43720), (31120, 40441)]