85287040

素因数分解:

$2^7\times 5^1\times {\mathrm{133261}}^1$

素因数の和:133280

約数の個数: 32

約数和(自身を含む): 203890860

約数和(自身を除く): 118603820

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 320, 640, 133261, 266522, 533044, 666305, 1066088, 1332610, 2132176, 2665220, 4264352, 5330440, 8528704, 10660880, 17057408, 21321760, 42643520, 85287040]

約数ペア:

[(1, 85287040), (2, 42643520), (4, 21321760), (5, 17057408), (8, 10660880), (10, 8528704), (16, 5330440), (20, 4264352), (32, 2665220), (40, 2132176), (64, 1332610), (80, 1066088), (128, 666305), (160, 533044), (320, 266522), (640, 133261)]