22143920

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{8929}}^1$

素因数の和:8973

約数の個数: 40

約数和(自身を含む): 53151360

約数和(自身を除く): 31007440

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 8929, 17858, 35716, 44645, 71432, 89290, 142864, 178580, 276799, 357160, 553598, 714320, 1107196, 1383995, 2214392, 2767990, 4428784, 5535980, 11071960, 22143920]

約数ペア:

[(1, 22143920), (2, 11071960), (4, 5535980), (5, 4428784), (8, 2767990), (10, 2214392), (16, 1383995), (20, 1107196), (31, 714320), (40, 553598), (62, 357160), (80, 276799), (124, 178580), (155, 142864), (248, 89290), (310, 71432), (496, 44645), (620, 35716), (1240, 17858), (2480, 8929)]