28364800

素因数分解:

$2^{12}\times 5^2\times {\mathrm{277}}^1$

素因数の和:311

約数の個数: 78

約数和(自身を含む): 70590038

約数和(自身を除く): 42225238

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 25, 32, 40, 50, 64, 80, 100, 128, 160, 200, 256, 277, 320, 400, 512, 554, 640, 800, 1024, 1108, 1280, 1385, 1600, 2048, 2216, 2560, 2770, 3200, 4096, 4432, 5120, 5540, 6400, 6925, 8864, 10240, 11080, 12800, 13850, 17728, 20480, 22160, 25600, 27700, 35456, 44320, 51200, 55400, 70912, 88640, 102400, 110800, 141824, 177280, 221600, 283648, 354560, 443200, 567296, 709120, 886400, 1134592, 1418240, 1772800, 2836480, 3545600, 5672960, 7091200, 14182400, 28364800]

約数ペア:

[(1, 28364800), (2, 14182400), (4, 7091200), (5, 5672960), (8, 3545600), (10, 2836480), (16, 1772800), (20, 1418240), (25, 1134592), (32, 886400), (40, 709120), (50, 567296), (64, 443200), (80, 354560), (100, 283648), (128, 221600), (160, 177280), (200, 141824), (256, 110800), (277, 102400), (320, 88640), (400, 70912), (512, 55400), (554, 51200), (640, 44320), (800, 35456), (1024, 27700), (1108, 25600), (1280, 22160), (1385, 20480), (1600, 17728), (2048, 13850), (2216, 12800), (2560, 11080), (2770, 10240), (3200, 8864), (4096, 6925), (4432, 6400), (5120, 5540)]