6660680

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{12809}}^1$

素因数の和:12833

約数の個数: 32

約数和(自身を含む): 16140600

約数和(自身を除く): 9479920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 12809, 25618, 51236, 64045, 102472, 128090, 166517, 256180, 333034, 512360, 666068, 832585, 1332136, 1665170, 3330340, 6660680]

約数ペア:

[(1, 6660680), (2, 3330340), (4, 1665170), (5, 1332136), (8, 832585), (10, 666068), (13, 512360), (20, 333034), (26, 256180), (40, 166517), (52, 128090), (65, 102472), (104, 64045), (130, 51236), (260, 25618), (520, 12809)]