39950040

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{25609}}^1$

素因数の和:25636

約数の個数: 64

約数和(自身を含む): 129074400

約数和(自身を除く): 89124360

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 780, 1560, 25609, 51218, 76827, 102436, 128045, 153654, 204872, 256090, 307308, 332917, 384135, 512180, 614616, 665834, 768270, 998751, 1024360, 1331668, 1536540, 1664585, 1997502, 2663336, 3073080, 3329170, 3995004, 4993755, 6658340, 7990008, 9987510, 13316680, 19975020, 39950040]

約数ペア:

[(1, 39950040), (2, 19975020), (3, 13316680), (4, 9987510), (5, 7990008), (6, 6658340), (8, 4993755), (10, 3995004), (12, 3329170), (13, 3073080), (15, 2663336), (20, 1997502), (24, 1664585), (26, 1536540), (30, 1331668), (39, 1024360), (40, 998751), (52, 768270), (60, 665834), (65, 614616), (78, 512180), (104, 384135), (120, 332917), (130, 307308), (156, 256090), (195, 204872), (260, 153654), (312, 128045), (390, 102436), (520, 76827), (780, 51218), (1560, 25609)]