11441840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{1607}}^1$

素因数の和:1709

約数の個数: 40

約数和(自身を含む): 26917920

約数和(自身を除く): 15476080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1607, 1780, 3214, 3560, 6428, 7120, 8035, 12856, 16070, 25712, 32140, 64280, 128560, 143023, 286046, 572092, 715115, 1144184, 1430230, 2288368, 2860460, 5720920, 11441840]

約数ペア:

[(1, 11441840), (2, 5720920), (4, 2860460), (5, 2288368), (8, 1430230), (10, 1144184), (16, 715115), (20, 572092), (40, 286046), (80, 143023), (89, 128560), (178, 64280), (356, 32140), (445, 25712), (712, 16070), (890, 12856), (1424, 8035), (1607, 7120), (1780, 6428), (3214, 3560)]