1321939375

素因数分解:

$5^4\times {\mathrm{23}}^1\times {\mathrm{91961}}^1$

素因数の和:92004

約数の個数: 20

約数和(自身を含む): 1723735728

約数和(自身を除く): 401796353

約数列:

[1, 5, 23, 25, 115, 125, 575, 625, 2875, 14375, 91961, 459805, 2115103, 2299025, 10575515, 11495125, 52877575, 57475625, 264387875, 1321939375]

約数ペア:

[(1, 1321939375), (5, 264387875), (23, 57475625), (25, 52877575), (115, 11495125), (125, 10575515), (575, 2299025), (625, 2115103), (2875, 459805), (14375, 91961)]