22498750

素因数分解:

$2^1\times 5^4\times {\mathrm{41}}^1\times {\mathrm{439}}^1$

素因数の和:502

約数の個数: 40

約数和(自身を含む): 43298640

約数和(自身を除く): 20799890

約数列:

[1, 2, 5, 10, 25, 41, 50, 82, 125, 205, 250, 410, 439, 625, 878, 1025, 1250, 2050, 2195, 4390, 5125, 10250, 10975, 17999, 21950, 25625, 35998, 51250, 54875, 89995, 109750, 179990, 274375, 449975, 548750, 899950, 2249875, 4499750, 11249375, 22498750]

約数ペア:

[(1, 22498750), (2, 11249375), (5, 4499750), (10, 2249875), (25, 899950), (41, 548750), (50, 449975), (82, 274375), (125, 179990), (205, 109750), (250, 89995), (410, 54875), (439, 51250), (625, 35998), (878, 25625), (1025, 21950), (1250, 17999), (2050, 10975), (2195, 10250), (4390, 5125)]