28407040

素因数分解:

$2^8\times 5^1\times {\mathrm{22193}}^1$

素因数の和:22214

約数の個数: 36

約数和(自身を含む): 68046804

約数和(自身を除く): 39639764

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 22193, 44386, 88772, 110965, 177544, 221930, 355088, 443860, 710176, 887720, 1420352, 1775440, 2840704, 3550880, 5681408, 7101760, 14203520, 28407040]

約数ペア:

[(1, 28407040), (2, 14203520), (4, 7101760), (5, 5681408), (8, 3550880), (10, 2840704), (16, 1775440), (20, 1420352), (32, 887720), (40, 710176), (64, 443860), (80, 355088), (128, 221930), (160, 177544), (256, 110965), (320, 88772), (640, 44386), (1280, 22193)]