28405460

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{61751}}^1$

素因数の和:61783

約数の個数: 24

約数和(自身を含む): 62246016

約数和(自身を除く): 33840556

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 61751, 123502, 247004, 308755, 617510, 1235020, 1420273, 2840546, 5681092, 7101365, 14202730, 28405460]

約数ペア:

[(1, 28405460), (2, 14202730), (4, 7101365), (5, 5681092), (10, 2840546), (20, 1420273), (23, 1235020), (46, 617510), (92, 308755), (115, 247004), (230, 123502), (460, 61751)]