25142960

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{7309}}^1$

素因数の和:7365

約数の個数: 40

約数和(自身を含む): 59825040

約数和(自身を除く): 34682080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 7309, 14618, 29236, 36545, 58472, 73090, 116944, 146180, 292360, 314287, 584720, 628574, 1257148, 1571435, 2514296, 3142870, 5028592, 6285740, 12571480, 25142960]

約数ペア:

[(1, 25142960), (2, 12571480), (4, 6285740), (5, 5028592), (8, 3142870), (10, 2514296), (16, 1571435), (20, 1257148), (40, 628574), (43, 584720), (80, 314287), (86, 292360), (172, 146180), (215, 116944), (344, 73090), (430, 58472), (688, 36545), (860, 29236), (1720, 14618), (3440, 7309)]