64229080

素因数分解:

$2^3\times 5^1\times {\mathrm{653}}^1\times {\mathrm{2459}}^1$

素因数の和:3123

約数の個数: 32

約数和(自身を含む): 144795600

約数和(自身を除く): 80566520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 653, 1306, 2459, 2612, 3265, 4918, 5224, 6530, 9836, 12295, 13060, 19672, 24590, 26120, 49180, 98360, 1605727, 3211454, 6422908, 8028635, 12845816, 16057270, 32114540, 64229080]

約数ペア:

[(1, 64229080), (2, 32114540), (4, 16057270), (5, 12845816), (8, 8028635), (10, 6422908), (20, 3211454), (40, 1605727), (653, 98360), (1306, 49180), (2459, 26120), (2612, 24590), (3265, 19672), (4918, 13060), (5224, 12295), (6530, 9836)]