1380240920

素因数分解:

$2^3\times 5^1\times {\mathrm{761}}^1\times {\mathrm{45343}}^1$

素因数の和:46115

約数の個数: 32

約数和(自身を含む): 3109691520

約数和(自身を除く): 1729450600

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 761, 1522, 3044, 3805, 6088, 7610, 15220, 30440, 45343, 90686, 181372, 226715, 362744, 453430, 906860, 1813720, 34506023, 69012046, 138024092, 172530115, 276048184, 345060230, 690120460, 1380240920]

約数ペア:

[(1, 1380240920), (2, 690120460), (4, 345060230), (5, 276048184), (8, 172530115), (10, 138024092), (20, 69012046), (40, 34506023), (761, 1813720), (1522, 906860), (3044, 453430), (3805, 362744), (6088, 226715), (7610, 181372), (15220, 90686), (30440, 45343)]