139327120

素因数分解:

$2^4\times 5^1\times {\mathrm{83}}^1\times {\mathrm{20983}}^1$

素因数の和:21079

約数の個数: 40

約数和(自身を含む): 327854016

約数和(自身を除く): 188526896

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 83, 166, 332, 415, 664, 830, 1328, 1660, 3320, 6640, 20983, 41966, 83932, 104915, 167864, 209830, 335728, 419660, 839320, 1678640, 1741589, 3483178, 6966356, 8707945, 13932712, 17415890, 27865424, 34831780, 69663560, 139327120]

約数ペア:

[(1, 139327120), (2, 69663560), (4, 34831780), (5, 27865424), (8, 17415890), (10, 13932712), (16, 8707945), (20, 6966356), (40, 3483178), (80, 1741589), (83, 1678640), (166, 839320), (332, 419660), (415, 335728), (664, 209830), (830, 167864), (1328, 104915), (1660, 83932), (3320, 41966), (6640, 20983)]