65058880

素因数分解:

$2^6\times 5^1\times {\mathrm{203309}}^1$

素因数の和:203326

約数の個数: 28

約数和(自身を含む): 154922220

約数和(自身を除く): 89863340

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 203309, 406618, 813236, 1016545, 1626472, 2033090, 3252944, 4066180, 6505888, 8132360, 13011776, 16264720, 32529440, 65058880]

約数ペア:

[(1, 65058880), (2, 32529440), (4, 16264720), (5, 13011776), (8, 8132360), (10, 6505888), (16, 4066180), (20, 3252944), (32, 2033090), (40, 1626472), (64, 1016545), (80, 813236), (160, 406618), (320, 203309)]