39504040

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{881}}^1$

素因数の和:970

約数の個数: 64

約数和(自身を含む): 95256000

約数和(自身を除く): 55751960

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 59, 76, 95, 118, 152, 190, 236, 295, 380, 472, 590, 760, 881, 1121, 1180, 1762, 2242, 2360, 3524, 4405, 4484, 5605, 7048, 8810, 8968, 11210, 16739, 17620, 22420, 33478, 35240, 44840, 51979, 66956, 83695, 103958, 133912, 167390, 207916, 259895, 334780, 415832, 519790, 669560, 987601, 1039580, 1975202, 2079160, 3950404, 4938005, 7900808, 9876010, 19752020, 39504040]

約数ペア:

[(1, 39504040), (2, 19752020), (4, 9876010), (5, 7900808), (8, 4938005), (10, 3950404), (19, 2079160), (20, 1975202), (38, 1039580), (40, 987601), (59, 669560), (76, 519790), (95, 415832), (118, 334780), (152, 259895), (190, 207916), (236, 167390), (295, 133912), (380, 103958), (472, 83695), (590, 66956), (760, 51979), (881, 44840), (1121, 35240), (1180, 33478), (1762, 22420), (2242, 17620), (2360, 16739), (3524, 11210), (4405, 8968), (4484, 8810), (5605, 7048)]