53956280

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{131}}^1\times {\mathrm{1471}}^1$

素因数の和:1620

約数の個数: 64

約数和(自身を含む): 139898880

約数和(自身を除く): 85942600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 20, 28, 35, 40, 56, 70, 131, 140, 262, 280, 524, 655, 917, 1048, 1310, 1471, 1834, 2620, 2942, 3668, 4585, 5240, 5884, 7336, 7355, 9170, 10297, 11768, 14710, 18340, 20594, 29420, 36680, 41188, 51485, 58840, 82376, 102970, 192701, 205940, 385402, 411880, 770804, 963505, 1348907, 1541608, 1927010, 2697814, 3854020, 5395628, 6744535, 7708040, 10791256, 13489070, 26978140, 53956280]

約数ペア:

[(1, 53956280), (2, 26978140), (4, 13489070), (5, 10791256), (7, 7708040), (8, 6744535), (10, 5395628), (14, 3854020), (20, 2697814), (28, 1927010), (35, 1541608), (40, 1348907), (56, 963505), (70, 770804), (131, 411880), (140, 385402), (262, 205940), (280, 192701), (524, 102970), (655, 82376), (917, 58840), (1048, 51485), (1310, 41188), (1471, 36680), (1834, 29420), (2620, 20594), (2942, 18340), (3668, 14710), (4585, 11768), (5240, 10297), (5884, 9170), (7336, 7355)]