80006875

素因数分解:

$5^4\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{229}}^1$

素因数の和:305

約数の個数: 40

約数和(自身を含む): 110652080

約数和(自身を除く): 30645205

約数列:

[1, 5, 13, 25, 43, 65, 125, 215, 229, 325, 559, 625, 1075, 1145, 1625, 2795, 2977, 5375, 5725, 8125, 9847, 13975, 14885, 26875, 28625, 49235, 69875, 74425, 128011, 143125, 246175, 349375, 372125, 640055, 1230875, 1860625, 3200275, 6154375, 16001375, 80006875]

約数ペア:

[(1, 80006875), (5, 16001375), (13, 6154375), (25, 3200275), (43, 1860625), (65, 1230875), (125, 640055), (215, 372125), (229, 349375), (325, 246175), (559, 143125), (625, 128011), (1075, 74425), (1145, 69875), (1625, 49235), (2795, 28625), (2977, 26875), (5375, 14885), (5725, 13975), (8125, 9847)]