12571480

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7309}}^1$

素因数の和:7363

約数の個数: 32

約数和(自身を含む): 28947600

約数和(自身を除く): 16376120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 7309, 14618, 29236, 36545, 58472, 73090, 146180, 292360, 314287, 628574, 1257148, 1571435, 2514296, 3142870, 6285740, 12571480]

約数ペア:

[(1, 12571480), (2, 6285740), (4, 3142870), (5, 2514296), (8, 1571435), (10, 1257148), (20, 628574), (40, 314287), (43, 292360), (86, 146180), (172, 73090), (215, 58472), (344, 36545), (430, 29236), (860, 14618), (1720, 7309)]