49872040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{14009}}^1$

素因数の和:14109

約数の個数: 32

約数和(自身を含む): 113481000

約数和(自身を除く): 63608960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 14009, 28018, 56036, 70045, 112072, 140090, 280180, 560360, 1246801, 2493602, 4987204, 6234005, 9974408, 12468010, 24936020, 49872040]

約数ペア:

[(1, 49872040), (2, 24936020), (4, 12468010), (5, 9974408), (8, 6234005), (10, 4987204), (20, 2493602), (40, 1246801), (89, 560360), (178, 280180), (356, 140090), (445, 112072), (712, 70045), (890, 56036), (1780, 28018), (3560, 14009)]