5440360

素因数分解:

$2^3\times 5^1\times {\mathrm{43}}^1\times {\mathrm{3163}}^1$

素因数の和:3217

約数の個数: 32

約数和(自身を含む): 12529440

約数和(自身を除く): 7089080

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 43, 86, 172, 215, 344, 430, 860, 1720, 3163, 6326, 12652, 15815, 25304, 31630, 63260, 126520, 136009, 272018, 544036, 680045, 1088072, 1360090, 2720180, 5440360]

約数ペア:

[(1, 5440360), (2, 2720180), (4, 1360090), (5, 1088072), (8, 680045), (10, 544036), (20, 272018), (40, 136009), (43, 126520), (86, 63260), (172, 31630), (215, 25304), (344, 15815), (430, 12652), (860, 6326), (1720, 3163)]