86407960

素因数分解:

$2^3\times 5^1\times {\mathrm{139}}^1\times {\mathrm{15541}}^1$

素因数の和:15691

約数の個数: 32

約数和(自身を含む): 195829200

約数和(自身を除く): 109421240

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 139, 278, 556, 695, 1112, 1390, 2780, 5560, 15541, 31082, 62164, 77705, 124328, 155410, 310820, 621640, 2160199, 4320398, 8640796, 10800995, 17281592, 21601990, 43203980, 86407960]

約数ペア:

[(1, 86407960), (2, 43203980), (4, 21601990), (5, 17281592), (8, 10800995), (10, 8640796), (20, 4320398), (40, 2160199), (139, 621640), (278, 310820), (556, 155410), (695, 124328), (1112, 77705), (1390, 62164), (2780, 31082), (5560, 15541)]