64827860

素因数分解:

$2^2\times 5^1\times {\mathrm{67}}^1\times {\mathrm{101}}^1\times {\mathrm{479}}^1$

素因数の和:656

約数の個数: 48

約数和(自身を含む): 139829760

約数和(自身を除く): 75001900

約数列:

[1, 2, 4, 5, 10, 20, 67, 101, 134, 202, 268, 335, 404, 479, 505, 670, 958, 1010, 1340, 1916, 2020, 2395, 4790, 6767, 9580, 13534, 27068, 32093, 33835, 48379, 64186, 67670, 96758, 128372, 135340, 160465, 193516, 241895, 320930, 483790, 641860, 967580, 3241393, 6482786, 12965572, 16206965, 32413930, 64827860]

約数ペア:

[(1, 64827860), (2, 32413930), (4, 16206965), (5, 12965572), (10, 6482786), (20, 3241393), (67, 967580), (101, 641860), (134, 483790), (202, 320930), (268, 241895), (335, 193516), (404, 160465), (479, 135340), (505, 128372), (670, 96758), (958, 67670), (1010, 64186), (1340, 48379), (1916, 33835), (2020, 32093), (2395, 27068), (4790, 13534), (6767, 9580)]