13259440

素因数分解:

$2^4\times 5^1\times {\mathrm{107}}^1\times {\mathrm{1549}}^1$

素因数の和:1669

約数の個数: 40

約数和(自身を含む): 31136400

約数和(自身を除く): 17876960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 107, 214, 428, 535, 856, 1070, 1549, 1712, 2140, 3098, 4280, 6196, 7745, 8560, 12392, 15490, 24784, 30980, 61960, 123920, 165743, 331486, 662972, 828715, 1325944, 1657430, 2651888, 3314860, 6629720, 13259440]

約数ペア:

[(1, 13259440), (2, 6629720), (4, 3314860), (5, 2651888), (8, 1657430), (10, 1325944), (16, 828715), (20, 662972), (40, 331486), (80, 165743), (107, 123920), (214, 61960), (428, 30980), (535, 24784), (856, 15490), (1070, 12392), (1549, 8560), (1712, 7745), (2140, 6196), (3098, 4280)]