4149760

素因数分解:

$2^9\times 5^1\times {\mathrm{1621}}^1$

素因数の和:1644

約数の個数: 40

約数和(自身を含む): 9955836

約数和(自身を除く): 5806076

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 1621, 2560, 3242, 6484, 8105, 12968, 16210, 25936, 32420, 51872, 64840, 103744, 129680, 207488, 259360, 414976, 518720, 829952, 1037440, 2074880, 4149760]

約数ペア:

[(1, 4149760), (2, 2074880), (4, 1037440), (5, 829952), (8, 518720), (10, 414976), (16, 259360), (20, 207488), (32, 129680), (40, 103744), (64, 64840), (80, 51872), (128, 32420), (160, 25936), (256, 16210), (320, 12968), (512, 8105), (640, 6484), (1280, 3242), (1621, 2560)]