28686880

素因数分解:

$2^5\times 5^1\times {\mathrm{41}}^1\times {\mathrm{4373}}^1$

素因数の和:4429

約数の個数: 48

約数和(自身を含む): 69441624

約数和(自身を除く): 40754744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 41, 80, 82, 160, 164, 205, 328, 410, 656, 820, 1312, 1640, 3280, 4373, 6560, 8746, 17492, 21865, 34984, 43730, 69968, 87460, 139936, 174920, 179293, 349840, 358586, 699680, 717172, 896465, 1434344, 1792930, 2868688, 3585860, 5737376, 7171720, 14343440, 28686880]

約数ペア:

[(1, 28686880), (2, 14343440), (4, 7171720), (5, 5737376), (8, 3585860), (10, 2868688), (16, 1792930), (20, 1434344), (32, 896465), (40, 717172), (41, 699680), (80, 358586), (82, 349840), (160, 179293), (164, 174920), (205, 139936), (328, 87460), (410, 69968), (656, 43730), (820, 34984), (1312, 21865), (1640, 17492), (3280, 8746), (4373, 6560)]