201172040

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{56509}}^1$

素因数の和:56609

約数の個数: 32

約数和(自身を含む): 457731000

約数和(自身を除く): 256558960

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 56509, 113018, 226036, 282545, 452072, 565090, 1130180, 2260360, 5029301, 10058602, 20117204, 25146505, 40234408, 50293010, 100586020, 201172040]

約数ペア:

[(1, 201172040), (2, 100586020), (4, 50293010), (5, 40234408), (8, 25146505), (10, 20117204), (20, 10058602), (40, 5029301), (89, 2260360), (178, 1130180), (356, 565090), (445, 452072), (712, 282545), (890, 226036), (1780, 113018), (3560, 56509)]