31901840

素因数分解:

$2^4\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1361}}^1$

素因数の和:1667

約数の個数: 40

約数和(自身を含む): 74479608

約数和(自身を除く): 42577768

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 293, 586, 1172, 1361, 1465, 2344, 2722, 2930, 4688, 5444, 5860, 6805, 10888, 11720, 13610, 21776, 23440, 27220, 54440, 108880, 398773, 797546, 1595092, 1993865, 3190184, 3987730, 6380368, 7975460, 15950920, 31901840]

約数ペア:

[(1, 31901840), (2, 15950920), (4, 7975460), (5, 6380368), (8, 3987730), (10, 3190184), (16, 1993865), (20, 1595092), (40, 797546), (80, 398773), (293, 108880), (586, 54440), (1172, 27220), (1361, 23440), (1465, 21776), (2344, 13610), (2722, 11720), (2930, 10888), (4688, 6805), (5444, 5860)]