87876620

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^2\times {\mathrm{25999}}^1$

素因数の和:26034

約数の個数: 36

約数和(自身を含む): 199836000

約数和(自身を除く): 111959380

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 169, 260, 338, 676, 845, 1690, 3380, 25999, 51998, 103996, 129995, 259990, 337987, 519980, 675974, 1351948, 1689935, 3379870, 4393831, 6759740, 8787662, 17575324, 21969155, 43938310, 87876620]

約数ペア:

[(1, 87876620), (2, 43938310), (4, 21969155), (5, 17575324), (10, 8787662), (13, 6759740), (20, 4393831), (26, 3379870), (52, 1689935), (65, 1351948), (130, 675974), (169, 519980), (260, 337987), (338, 259990), (676, 129995), (845, 103996), (1690, 51998), (3380, 25999)]