55329520

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{409}}^1$

素因数の和:530

約数の個数: 80

約数和(自身を含む): 137268000

約数和(自身を除く): 81938480

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 89, 95, 152, 178, 190, 304, 356, 380, 409, 445, 712, 760, 818, 890, 1424, 1520, 1636, 1691, 1780, 2045, 3272, 3382, 3560, 4090, 6544, 6764, 7120, 7771, 8180, 8455, 13528, 15542, 16360, 16910, 27056, 31084, 32720, 33820, 36401, 38855, 62168, 67640, 72802, 77710, 124336, 135280, 145604, 155420, 182005, 291208, 310840, 364010, 582416, 621680, 691619, 728020, 1383238, 1456040, 2766476, 2912080, 3458095, 5532952, 6916190, 11065904, 13832380, 27664760, 55329520]

約数ペア:

[(1, 55329520), (2, 27664760), (4, 13832380), (5, 11065904), (8, 6916190), (10, 5532952), (16, 3458095), (19, 2912080), (20, 2766476), (38, 1456040), (40, 1383238), (76, 728020), (80, 691619), (89, 621680), (95, 582416), (152, 364010), (178, 310840), (190, 291208), (304, 182005), (356, 155420), (380, 145604), (409, 135280), (445, 124336), (712, 77710), (760, 72802), (818, 67640), (890, 62168), (1424, 38855), (1520, 36401), (1636, 33820), (1691, 32720), (1780, 31084), (2045, 27056), (3272, 16910), (3382, 16360), (3560, 15542), (4090, 13528), (6544, 8455), (6764, 8180), (7120, 7771)]