2655690320

素因数分解:

$2^4\times 5^1\times {\mathrm{43}}^1\times {\mathrm{772003}}^1$

素因数の和:772059

約数の個数: 40

約数和(自身を含む): 6318080736

約数和(自身を除く): 3662390416

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 43, 80, 86, 172, 215, 344, 430, 688, 860, 1720, 3440, 772003, 1544006, 3088012, 3860015, 6176024, 7720030, 12352048, 15440060, 30880120, 33196129, 61760240, 66392258, 132784516, 165980645, 265569032, 331961290, 531138064, 663922580, 1327845160, 2655690320]

約数ペア:

[(1, 2655690320), (2, 1327845160), (4, 663922580), (5, 531138064), (8, 331961290), (10, 265569032), (16, 165980645), (20, 132784516), (40, 66392258), (43, 61760240), (80, 33196129), (86, 30880120), (172, 15440060), (215, 12352048), (344, 7720030), (430, 6176024), (688, 3860015), (860, 3088012), (1720, 1544006), (3440, 772003)]