65360320

素因数分解:

$2^6\times 5^1\times {\mathrm{204251}}^1$

素因数の和:204268

約数の個数: 28

約数和(自身を含む): 155640024

約数和(自身を除く): 90279704

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 204251, 408502, 817004, 1021255, 1634008, 2042510, 3268016, 4085020, 6536032, 8170040, 13072064, 16340080, 32680160, 65360320]

約数ペア:

[(1, 65360320), (2, 32680160), (4, 16340080), (5, 13072064), (8, 8170040), (10, 6536032), (16, 4085020), (20, 3268016), (32, 2042510), (40, 1634008), (64, 1021255), (80, 817004), (160, 408502), (320, 204251)]