87432890

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{97}}^1\times {\mathrm{3919}}^1$

素因数の和:4046

約数の個数: 32

約数和(自身を含む): 165957120

約数和(自身を除く): 78524230

約数列:

[1, 2, 5, 10, 23, 46, 97, 115, 194, 230, 485, 970, 2231, 3919, 4462, 7838, 11155, 19595, 22310, 39190, 90137, 180274, 380143, 450685, 760286, 901370, 1900715, 3801430, 8743289, 17486578, 43716445, 87432890]

約数ペア:

[(1, 87432890), (2, 43716445), (5, 17486578), (10, 8743289), (23, 3801430), (46, 1900715), (97, 901370), (115, 760286), (194, 450685), (230, 380143), (485, 180274), (970, 90137), (2231, 39190), (3919, 22310), (4462, 19595), (7838, 11155)]