17620840

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{25913}}^1$

素因数の和:25941

約数の個数: 32

約数和(自身を含む): 41980680

約数和(自身を除く): 24359840

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 25913, 51826, 103652, 129565, 207304, 259130, 440521, 518260, 881042, 1036520, 1762084, 2202605, 3524168, 4405210, 8810420, 17620840]

約数ペア:

[(1, 17620840), (2, 8810420), (4, 4405210), (5, 3524168), (8, 2202605), (10, 1762084), (17, 1036520), (20, 881042), (34, 518260), (40, 440521), (68, 259130), (85, 207304), (136, 129565), (170, 103652), (340, 51826), (680, 25913)]