40685104

素因数分解:

$2^4\times {\mathrm{89}}^1\times {\mathrm{28571}}^1$

素因数の和:28668

約数の個数: 20

約数和(自身を含む): 79715880

約数和(自身を除く): 39030776

約数列:

[1, 2, 4, 8, 16, 89, 178, 356, 712, 1424, 28571, 57142, 114284, 228568, 457136, 2542819, 5085638, 10171276, 20342552, 40685104]

約数ペア:

[(1, 40685104), (2, 20342552), (4, 10171276), (8, 5085638), (16, 2542819), (89, 457136), (178, 228568), (356, 114284), (712, 57142), (1424, 28571)]