2720120

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5231}}^1$

素因数の和:5255

約数の個数: 32

約数和(自身を含む): 6592320

約数和(自身を除く): 3872200

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 5231, 10462, 20924, 26155, 41848, 52310, 68003, 104620, 136006, 209240, 272012, 340015, 544024, 680030, 1360060, 2720120]

約数ペア:

[(1, 2720120), (2, 1360060), (4, 680030), (5, 544024), (8, 340015), (10, 272012), (13, 209240), (20, 136006), (26, 104620), (40, 68003), (52, 52310), (65, 41848), (104, 26155), (130, 20924), (260, 10462), (520, 5231)]