1380493990840

素因数分解:

$2^3\times 5^1\times {\mathrm{103}}^1\times {\mathrm{335071357}}^1$

素因数の和:335071471

約数の個数: 32

約数和(自身を含む): 3136267910880

約数和(自身を除く): 1755773920040

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 103, 206, 412, 515, 824, 1030, 2060, 4120, 335071357, 670142714, 1340285428, 1675356785, 2680570856, 3350713570, 6701427140, 13402854280, 34512349771, 69024699542, 138049399084, 172561748855, 276098798168, 345123497710, 690246995420, 1380493990840]

約数ペア:

[(1, 1380493990840), (2, 690246995420), (4, 345123497710), (5, 276098798168), (8, 172561748855), (10, 138049399084), (20, 69024699542), (40, 34512349771), (103, 13402854280), (206, 6701427140), (412, 3350713570), (515, 2680570856), (824, 1675356785), (1030, 1340285428), (2060, 670142714), (4120, 335071357)]