80031875

素因数分解:

$5^4\times 7^1\times {\mathrm{11}}^1\times {\mathrm{1663}}^1$

素因数の和:1701

約数の個数: 40

約数和(自身を含む): 124760064

約数和(自身を除く): 44728189

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 125, 175, 275, 385, 625, 875, 1375, 1663, 1925, 4375, 6875, 8315, 9625, 11641, 18293, 41575, 48125, 58205, 91465, 128051, 207875, 291025, 457325, 640255, 1039375, 1455125, 2286625, 3201275, 7275625, 11433125, 16006375, 80031875]

約数ペア:

[(1, 80031875), (5, 16006375), (7, 11433125), (11, 7275625), (25, 3201275), (35, 2286625), (55, 1455125), (77, 1039375), (125, 640255), (175, 457325), (275, 291025), (385, 207875), (625, 128051), (875, 91465), (1375, 58205), (1663, 48125), (1925, 41575), (4375, 18293), (6875, 11641), (8315, 9625)]