64519420

素因数分解:

$2^2\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{27109}}^1$

素因数の和:27142

約数の個数: 48

約数和(自身を含む): 163961280

約数和(自身を除く): 99441860

約数列:

[1, 2, 4, 5, 7, 10, 14, 17, 20, 28, 34, 35, 68, 70, 85, 119, 140, 170, 238, 340, 476, 595, 1190, 2380, 27109, 54218, 108436, 135545, 189763, 271090, 379526, 460853, 542180, 759052, 921706, 948815, 1843412, 1897630, 2304265, 3225971, 3795260, 4608530, 6451942, 9217060, 12903884, 16129855, 32259710, 64519420]

約数ペア:

[(1, 64519420), (2, 32259710), (4, 16129855), (5, 12903884), (7, 9217060), (10, 6451942), (14, 4608530), (17, 3795260), (20, 3225971), (28, 2304265), (34, 1897630), (35, 1843412), (68, 948815), (70, 921706), (85, 759052), (119, 542180), (140, 460853), (170, 379526), (238, 271090), (340, 189763), (476, 135545), (595, 108436), (1190, 54218), (2380, 27109)]