66205760

素因数分解:

$2^6\times 5^1\times {\mathrm{313}}^1\times {\mathrm{661}}^1$

素因数の和:991

約数の個数: 56

約数和(自身を含む): 158395416

約数和(自身を除く): 92189656

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 160, 313, 320, 626, 661, 1252, 1322, 1565, 2504, 2644, 3130, 3305, 5008, 5288, 6260, 6610, 10016, 10576, 12520, 13220, 20032, 21152, 25040, 26440, 42304, 50080, 52880, 100160, 105760, 206893, 211520, 413786, 827572, 1034465, 1655144, 2068930, 3310288, 4137860, 6620576, 8275720, 13241152, 16551440, 33102880, 66205760]

約数ペア:

[(1, 66205760), (2, 33102880), (4, 16551440), (5, 13241152), (8, 8275720), (10, 6620576), (16, 4137860), (20, 3310288), (32, 2068930), (40, 1655144), (64, 1034465), (80, 827572), (160, 413786), (313, 211520), (320, 206893), (626, 105760), (661, 100160), (1252, 52880), (1322, 50080), (1565, 42304), (2504, 26440), (2644, 25040), (3130, 21152), (3305, 20032), (5008, 13220), (5288, 12520), (6260, 10576), (6610, 10016)]