165016640

素因数分解:

$2^6\times 5^1\times {\mathrm{515677}}^1$

素因数の和:515694

約数の個数: 28

約数和(自身を含む): 392946636

約数和(自身を除く): 227929996

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 320, 515677, 1031354, 2062708, 2578385, 4125416, 5156770, 8250832, 10313540, 16501664, 20627080, 33003328, 41254160, 82508320, 165016640]

約数ペア:

[(1, 165016640), (2, 82508320), (4, 41254160), (5, 33003328), (8, 20627080), (10, 16501664), (16, 10313540), (20, 8250832), (32, 5156770), (40, 4125416), (64, 2578385), (80, 2062708), (160, 1031354), (320, 515677)]