16387120

素因数分解:

$2^4\times 5^1\times {\mathrm{19}}^1\times {\mathrm{10781}}^1$

素因数の和:10813

約数の個数: 40

約数和(自身を含む): 40109040

約数和(自身を除く): 23721920

約数列:

[1, 2, 4, 5, 8, 10, 16, 19, 20, 38, 40, 76, 80, 95, 152, 190, 304, 380, 760, 1520, 10781, 21562, 43124, 53905, 86248, 107810, 172496, 204839, 215620, 409678, 431240, 819356, 862480, 1024195, 1638712, 2048390, 3277424, 4096780, 8193560, 16387120]

約数ペア:

[(1, 16387120), (2, 8193560), (4, 4096780), (5, 3277424), (8, 2048390), (10, 1638712), (16, 1024195), (19, 862480), (20, 819356), (38, 431240), (40, 409678), (76, 215620), (80, 204839), (95, 172496), (152, 107810), (190, 86248), (304, 53905), (380, 43124), (760, 21562), (1520, 10781)]