26305000

素因数分解:

$2^3\times 5^4\times {\mathrm{5261}}^1$

素因数の和:5287

約数の個数: 40

約数和(自身を含む): 61644330

約数和(自身を除く): 35339330

約数列:

[1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 625, 1000, 1250, 2500, 5000, 5261, 10522, 21044, 26305, 42088, 52610, 105220, 131525, 210440, 263050, 526100, 657625, 1052200, 1315250, 2630500, 3288125, 5261000, 6576250, 13152500, 26305000]

約数ペア:

[(1, 26305000), (2, 13152500), (4, 6576250), (5, 5261000), (8, 3288125), (10, 2630500), (20, 1315250), (25, 1052200), (40, 657625), (50, 526100), (100, 263050), (125, 210440), (200, 131525), (250, 105220), (500, 52610), (625, 42088), (1000, 26305), (1250, 21044), (2500, 10522), (5000, 5261)]