27817840

素因数分解:

$2^4\times 5^1\times {\mathrm{89}}^1\times {\mathrm{3907}}^1$

素因数の和:4009

約数の個数: 40

約数和(自身を含む): 65419920

約数和(自身を除く): 37602080

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 89, 178, 356, 445, 712, 890, 1424, 1780, 3560, 3907, 7120, 7814, 15628, 19535, 31256, 39070, 62512, 78140, 156280, 312560, 347723, 695446, 1390892, 1738615, 2781784, 3477230, 5563568, 6954460, 13908920, 27817840]

約数ペア:

[(1, 27817840), (2, 13908920), (4, 6954460), (5, 5563568), (8, 3477230), (10, 2781784), (16, 1738615), (20, 1390892), (40, 695446), (80, 347723), (89, 312560), (178, 156280), (356, 78140), (445, 62512), (712, 39070), (890, 31256), (1424, 19535), (1780, 15628), (3560, 7814), (3907, 7120)]