15945560

素因数分解:

$2^3\times 5^1\times {\mathrm{19}}^1\times {\mathrm{20981}}^1$

素因数の和:21011

約数の個数: 32

約数和(自身を含む): 37767600

約数和(自身を除く): 21822040

約数列:

[1, 2, 4, 5, 8, 10, 19, 20, 38, 40, 76, 95, 152, 190, 380, 760, 20981, 41962, 83924, 104905, 167848, 209810, 398639, 419620, 797278, 839240, 1594556, 1993195, 3189112, 3986390, 7972780, 15945560]

約数ペア:

[(1, 15945560), (2, 7972780), (4, 3986390), (5, 3189112), (8, 1993195), (10, 1594556), (19, 839240), (20, 797278), (38, 419620), (40, 398639), (76, 209810), (95, 167848), (152, 104905), (190, 83924), (380, 41962), (760, 20981)]