90055840

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{80407}}^1$

素因数の和:80429

約数の個数: 48

約数和(自身を含む): 243153792

約数和(自身を除く): 153097952

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 112, 140, 160, 224, 280, 560, 1120, 80407, 160814, 321628, 402035, 562849, 643256, 804070, 1125698, 1286512, 1608140, 2251396, 2573024, 2814245, 3216280, 4502792, 5628490, 6432560, 9005584, 11256980, 12865120, 18011168, 22513960, 45027920, 90055840]

約数ペア:

[(1, 90055840), (2, 45027920), (4, 22513960), (5, 18011168), (7, 12865120), (8, 11256980), (10, 9005584), (14, 6432560), (16, 5628490), (20, 4502792), (28, 3216280), (32, 2814245), (35, 2573024), (40, 2251396), (56, 1608140), (70, 1286512), (80, 1125698), (112, 804070), (140, 643256), (160, 562849), (224, 402035), (280, 321628), (560, 160814), (1120, 80407)]