128930000

素因数分解:

$2^4\times 5^4\times {\mathrm{12893}}^1$

素因数の和:12921

約数の個数: 50

約数和(自身を含む): 312176634

約数和(自身を除く): 183246634

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, 12893, 25786, 51572, 64465, 103144, 128930, 206288, 257860, 322325, 515720, 644650, 1031440, 1289300, 1611625, 2578600, 3223250, 5157200, 6446500, 8058125, 12893000, 16116250, 25786000, 32232500, 64465000, 128930000]

約数ペア:

[(1, 128930000), (2, 64465000), (4, 32232500), (5, 25786000), (8, 16116250), (10, 12893000), (16, 8058125), (20, 6446500), (25, 5157200), (40, 3223250), (50, 2578600), (80, 1611625), (100, 1289300), (125, 1031440), (200, 644650), (250, 515720), (400, 322325), (500, 257860), (625, 206288), (1000, 128930), (1250, 103144), (2000, 64465), (2500, 51572), (5000, 25786), (10000, 12893)]