25833640

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{257}}^1\times {\mathrm{359}}^1$

素因数の和:634

約数の個数: 64

約数和(自身を含む): 66873600

約数和(自身を除く): 41039960

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 140, 257, 280, 359, 514, 718, 1028, 1285, 1436, 1795, 1799, 2056, 2513, 2570, 2872, 3590, 3598, 5026, 5140, 7180, 7196, 8995, 10052, 10280, 12565, 14360, 14392, 17990, 20104, 25130, 35980, 50260, 71960, 92263, 100520, 184526, 369052, 461315, 645841, 738104, 922630, 1291682, 1845260, 2583364, 3229205, 3690520, 5166728, 6458410, 12916820, 25833640]

約数ペア:

[(1, 25833640), (2, 12916820), (4, 6458410), (5, 5166728), (7, 3690520), (8, 3229205), (10, 2583364), (14, 1845260), (20, 1291682), (28, 922630), (35, 738104), (40, 645841), (56, 461315), (70, 369052), (140, 184526), (257, 100520), (280, 92263), (359, 71960), (514, 50260), (718, 35980), (1028, 25130), (1285, 20104), (1436, 17990), (1795, 14392), (1799, 14360), (2056, 12565), (2513, 10280), (2570, 10052), (2872, 8995), (3590, 7196), (3598, 7180), (5026, 5140)]