90982400

素因数分解:

$2^{11}\times 5^2\times {\mathrm{1777}}^1$

素因数の和:1809

約数の個数: 72

約数和(自身を含む): 225708210

約数和(自身を除く): 134725810

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 320, 400, 512, 640, 800, 1024, 1280, 1600, 1777, 2048, 2560, 3200, 3554, 5120, 6400, 7108, 8885, 10240, 12800, 14216, 17770, 25600, 28432, 35540, 44425, 51200, 56864, 71080, 88850, 113728, 142160, 177700, 227456, 284320, 355400, 454912, 568640, 710800, 909824, 1137280, 1421600, 1819648, 2274560, 2843200, 3639296, 4549120, 5686400, 9098240, 11372800, 18196480, 22745600, 45491200, 90982400]

約数ペア:

[(1, 90982400), (2, 45491200), (4, 22745600), (5, 18196480), (8, 11372800), (10, 9098240), (16, 5686400), (20, 4549120), (25, 3639296), (32, 2843200), (40, 2274560), (50, 1819648), (64, 1421600), (80, 1137280), (100, 909824), (128, 710800), (160, 568640), (200, 454912), (256, 355400), (320, 284320), (400, 227456), (512, 177700), (640, 142160), (800, 113728), (1024, 88850), (1280, 71080), (1600, 56864), (1777, 51200), (2048, 44425), (2560, 35540), (3200, 28432), (3554, 25600), (5120, 17770), (6400, 14216), (7108, 12800), (8885, 10240)]