2128652.00000000

素因数分解:

$2^3\times 5^1\times {\mathrm{89}}^1\times {\mathrm{13513}}^1$

素因数の和:13613

約数の個数: 32

約数和(自身を含む): 109463400

約数和(自身を除く): 61357120

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 89, 178, 356, 445, 712, 890, 1780, 3560, 13513, 27026, 54052, 67565, 108104, 135130, 270260, 540520, 1202657, 2405314, 4810628, 6013285, 9621256, 12026570, 24053140, 48106280]

約数ペア:

[(1, 48106280), (2, 24053140), (4, 12026570), (5, 9621256), (8, 6013285), (10, 4810628), (20, 2405314), (40, 1202657), (89, 540520), (178, 270260), (356, 135130), (445, 108104), (712, 67565), (890, 54052), (1780, 27026), (3560, 13513)]