8301280

素因数分解:

$2^5\times 5^1\times {\mathrm{13}}^2\times {\mathrm{307}}^1$

素因数の和:348

約数の個数: 72

約数和(自身を含む): 21305592

約数和(自身を除く): 13004312

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 65, 80, 104, 130, 160, 169, 208, 260, 307, 338, 416, 520, 614, 676, 845, 1040, 1228, 1352, 1535, 1690, 2080, 2456, 2704, 3070, 3380, 3991, 4912, 5408, 6140, 6760, 7982, 9824, 12280, 13520, 15964, 19955, 24560, 27040, 31928, 39910, 49120, 51883, 63856, 79820, 103766, 127712, 159640, 207532, 259415, 319280, 415064, 518830, 638560, 830128, 1037660, 1660256, 2075320, 4150640, 8301280]

約数ペア:

[(1, 8301280), (2, 4150640), (4, 2075320), (5, 1660256), (8, 1037660), (10, 830128), (13, 638560), (16, 518830), (20, 415064), (26, 319280), (32, 259415), (40, 207532), (52, 159640), (65, 127712), (80, 103766), (104, 79820), (130, 63856), (160, 51883), (169, 49120), (208, 39910), (260, 31928), (307, 27040), (338, 24560), (416, 19955), (520, 15964), (614, 13520), (676, 12280), (845, 9824), (1040, 7982), (1228, 6760), (1352, 6140), (1535, 5408), (1690, 4912), (2080, 3991), (2456, 3380), (2704, 3070)]