5440240

素因数分解:

$2^4\times 5^1\times {\mathrm{13}}^1\times {\mathrm{5231}}^1$

素因数の和:5257

約数の個数: 40

約数和(自身を含む): 13624128

約数和(自身を除く): 8183888

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 40, 52, 65, 80, 104, 130, 208, 260, 520, 1040, 5231, 10462, 20924, 26155, 41848, 52310, 68003, 83696, 104620, 136006, 209240, 272012, 340015, 418480, 544024, 680030, 1088048, 1360060, 2720120, 5440240]

約数ペア:

[(1, 5440240), (2, 2720120), (4, 1360060), (5, 1088048), (8, 680030), (10, 544024), (13, 418480), (16, 340015), (20, 272012), (26, 209240), (40, 136006), (52, 104620), (65, 83696), (80, 68003), (104, 52310), (130, 41848), (208, 26155), (260, 20924), (520, 10462), (1040, 5231)]