129023960

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{281}}^1\times {\mathrm{883}}^1$

素因数の和:1188

約数の個数: 64

約数和(自身を含む): 314102880

約数和(自身を除く): 185078920

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 281, 520, 562, 883, 1124, 1405, 1766, 2248, 2810, 3532, 3653, 4415, 5620, 7064, 7306, 8830, 11240, 11479, 14612, 17660, 18265, 22958, 29224, 35320, 36530, 45916, 57395, 73060, 91832, 114790, 146120, 229580, 248123, 459160, 496246, 992492, 1240615, 1984984, 2481230, 3225599, 4962460, 6451198, 9924920, 12902396, 16127995, 25804792, 32255990, 64511980, 129023960]

約数ペア:

[(1, 129023960), (2, 64511980), (4, 32255990), (5, 25804792), (8, 16127995), (10, 12902396), (13, 9924920), (20, 6451198), (26, 4962460), (40, 3225599), (52, 2481230), (65, 1984984), (104, 1240615), (130, 992492), (260, 496246), (281, 459160), (520, 248123), (562, 229580), (883, 146120), (1124, 114790), (1405, 91832), (1766, 73060), (2248, 57395), (2810, 45916), (3532, 36530), (3653, 35320), (4415, 29224), (5620, 22958), (7064, 18265), (7306, 17660), (8830, 14612), (11240, 11479)]