28126640

素因数分解:

$2^4\times 5^1\times {\mathrm{269}}^1\times {\mathrm{1307}}^1$

素因数の和:1589

約数の個数: 40

約数和(自身を含む): 65687760

約数和(自身を除く): 37561120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 269, 538, 1076, 1307, 1345, 2152, 2614, 2690, 4304, 5228, 5380, 6535, 10456, 10760, 13070, 20912, 21520, 26140, 52280, 104560, 351583, 703166, 1406332, 1757915, 2812664, 3515830, 5625328, 7031660, 14063320, 28126640]

約数ペア:

[(1, 28126640), (2, 14063320), (4, 7031660), (5, 5625328), (8, 3515830), (10, 2812664), (16, 1757915), (20, 1406332), (40, 703166), (80, 351583), (269, 104560), (538, 52280), (1076, 26140), (1307, 21520), (1345, 20912), (2152, 13070), (2614, 10760), (2690, 10456), (4304, 6535), (5228, 5380)]