7451440

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{5479}}^1$

素因数の和:5509

約数の個数: 40

約数和(自身を含む): 18347040

約数和(自身を除く): 10895600

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 5479, 10958, 21916, 27395, 43832, 54790, 87664, 93143, 109580, 186286, 219160, 372572, 438320, 465715, 745144, 931430, 1490288, 1862860, 3725720, 7451440]

約数ペア:

[(1, 7451440), (2, 3725720), (4, 1862860), (5, 1490288), (8, 931430), (10, 745144), (16, 465715), (17, 438320), (20, 372572), (34, 219160), (40, 186286), (68, 109580), (80, 93143), (85, 87664), (136, 54790), (170, 43832), (272, 27395), (340, 21916), (680, 10958), (1360, 5479)]