1345491200

素因数分解:

$2^8\times 5^2\times {\mathrm{210233}}^1$

素因数の和:210259

約数の個数: 54

約数和(自身を含む): 3330316794

約数和(自身を除く): 1984825594

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 640, 800, 1280, 1600, 3200, 6400, 210233, 420466, 840932, 1051165, 1681864, 2102330, 3363728, 4204660, 5255825, 6727456, 8409320, 10511650, 13454912, 16818640, 21023300, 26909824, 33637280, 42046600, 53819648, 67274560, 84093200, 134549120, 168186400, 269098240, 336372800, 672745600, 1345491200]

約数ペア:

[(1, 1345491200), (2, 672745600), (4, 336372800), (5, 269098240), (8, 168186400), (10, 134549120), (16, 84093200), (20, 67274560), (25, 53819648), (32, 42046600), (40, 33637280), (50, 26909824), (64, 21023300), (80, 16818640), (100, 13454912), (128, 10511650), (160, 8409320), (200, 6727456), (256, 5255825), (320, 4204660), (400, 3363728), (640, 2102330), (800, 1681864), (1280, 1051165), (1600, 840932), (3200, 420466), (6400, 210233)]