28236800

素因数分解:

$2^{10}\times 5^2\times {\mathrm{1103}}^1$

素因数の和:1133

約数の個数: 66

約数和(自身を含む): 70056528

約数和(自身を除く): 41819728

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, 1103, 1280, 1600, 2206, 2560, 3200, 4412, 5120, 5515, 6400, 8824, 11030, 12800, 17648, 22060, 25600, 27575, 35296, 44120, 55150, 70592, 88240, 110300, 141184, 176480, 220600, 282368, 352960, 441200, 564736, 705920, 882400, 1129472, 1411840, 1764800, 2823680, 3529600, 5647360, 7059200, 14118400, 28236800]

約数ペア:

[(1, 28236800), (2, 14118400), (4, 7059200), (5, 5647360), (8, 3529600), (10, 2823680), (16, 1764800), (20, 1411840), (25, 1129472), (32, 882400), (40, 705920), (50, 564736), (64, 441200), (80, 352960), (100, 282368), (128, 220600), (160, 176480), (200, 141184), (256, 110300), (320, 88240), (400, 70592), (512, 55150), (640, 44120), (800, 35296), (1024, 27575), (1103, 25600), (1280, 22060), (1600, 17648), (2206, 12800), (2560, 11030), (3200, 8824), (4412, 6400), (5120, 5515)]