40289518

素因数分解:

$2^1\times {\mathrm{71}}^1\times {\mathrm{151}}^1\times {\mathrm{1879}}^1$

素因数の和:2103

約数の個数: 16

約数和(自身を含む): 61724160

約数和(自身を除く): 21434642

約数列:

[1, 2, 71, 142, 151, 302, 1879, 3758, 10721, 21442, 133409, 266818, 283729, 567458, 20144759, 40289518]

約数ペア:

[(1, 40289518), (2, 20144759), (71, 567458), (142, 283729), (151, 266818), (302, 133409), (1879, 21442), (3758, 10721)]