28586480

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{27487}}^1$

素因数の和:27513

約数の個数: 40

約数和(自身を含む): 71578752

約数和(自身を除く): 42992272

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 27487, 54974, 109948, 137435, 219896, 274870, 357331, 439792, 549740, 714662, 1099480, 1429324, 1786655, 2198960, 2858648, 3573310, 5717296, 7146620, 14293240, 28586480]

約数ペア:

[(1, 28586480), (2, 14293240), (4, 7146620), (5, 5717296), (8, 3573310), (10, 2858648), (13, 2198960), (16, 1786655), (20, 1429324), (26, 1099480), (40, 714662), (52, 549740), (65, 439792), (80, 357331), (104, 274870), (130, 219896), (208, 137435), (260, 109948), (520, 54974), (1040, 27487)]