8387495420

素因数分解:

$2^2\times 5^1\times {\mathrm{29}}^1\times {\mathrm{509}}^1\times {\mathrm{28411}}^1$

素因数の和:28958

約数の個数: 48

約数和(自身を含む): 18257551200

約数和(自身を除く): 9870055780

約数列:

[1, 2, 4, 5, 10, 20, 29, 58, 116, 145, 290, 509, 580, 1018, 2036, 2545, 5090, 10180, 14761, 28411, 29522, 56822, 59044, 73805, 113644, 142055, 147610, 284110, 295220, 568220, 823919, 1647838, 3295676, 4119595, 8239190, 14461199, 16478380, 28922398, 57844796, 72305995, 144611990, 289223980, 419374771, 838749542, 1677499084, 2096873855, 4193747710, 8387495420]

約数ペア:

[(1, 8387495420), (2, 4193747710), (4, 2096873855), (5, 1677499084), (10, 838749542), (20, 419374771), (29, 289223980), (58, 144611990), (116, 72305995), (145, 57844796), (290, 28922398), (509, 16478380), (580, 14461199), (1018, 8239190), (2036, 4119595), (2545, 3295676), (5090, 1647838), (10180, 823919), (14761, 568220), (28411, 295220), (29522, 284110), (56822, 147610), (59044, 142055), (73805, 113644)]