29908240

素因数分解:

$2^4\times 5^1\times {\mathrm{173}}^1\times {\mathrm{2161}}^1$

素因数の和:2347

約数の個数: 40

約数和(自身を含む): 69970968

約数和(自身を除く): 40062728

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 173, 346, 692, 865, 1384, 1730, 2161, 2768, 3460, 4322, 6920, 8644, 10805, 13840, 17288, 21610, 34576, 43220, 86440, 172880, 373853, 747706, 1495412, 1869265, 2990824, 3738530, 5981648, 7477060, 14954120, 29908240]

約数ペア:

[(1, 29908240), (2, 14954120), (4, 7477060), (5, 5981648), (8, 3738530), (10, 2990824), (16, 1869265), (20, 1495412), (40, 747706), (80, 373853), (173, 172880), (346, 86440), (692, 43220), (865, 34576), (1384, 21610), (1730, 17288), (2161, 13840), (2768, 10805), (3460, 8644), (4322, 6920)]