5720920

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1707

約数の個数: 32

約数和(自身を含む): 13024800

約数和(自身を除く): 7303880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1607, 1780, 3214, 3560, 6428, 8035, 12856, 16070, 32140, 64280, 143023, 286046, 572092, 715115, 1144184, 1430230, 2860460, 5720920]

約数ペア:

[(1, 5720920), (2, 2860460), (4, 1430230), (5, 1144184), (8, 715115), (10, 572092), (20, 286046), (40, 143023), (89, 64280), (178, 32140), (356, 16070), (445, 12856), (712, 8035), (890, 6428), (1607, 3560), (1780, 3214)]