261130000

素因数分解:

$2^4\times 5^4\times {\mathrm{26113}}^1$

素因数の和:26141

約数の個数: 50

約数和(自身を含む): 632246054

約数和(自身を除く): 371116054

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 40, 50, 80, 100, 125, 200, 250, 400, 500, 625, 1000, 1250, 2000, 2500, 5000, 10000, 26113, 52226, 104452, 130565, 208904, 261130, 417808, 522260, 652825, 1044520, 1305650, 2089040, 2611300, 3264125, 5222600, 6528250, 10445200, 13056500, 16320625, 26113000, 32641250, 52226000, 65282500, 130565000, 261130000]

約数ペア:

[(1, 261130000), (2, 130565000), (4, 65282500), (5, 52226000), (8, 32641250), (10, 26113000), (16, 16320625), (20, 13056500), (25, 10445200), (40, 6528250), (50, 5222600), (80, 3264125), (100, 2611300), (125, 2089040), (200, 1305650), (250, 1044520), (400, 652825), (500, 522260), (625, 417808), (1000, 261130), (1250, 208904), (2000, 130565), (2500, 104452), (5000, 52226), (10000, 26113)]