55399280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{23879}}^1$

素因数の和:23921

約数の個数: 40

約数和(自身を含む): 133250400

約数和(自身を除く): 77851120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 23879, 47758, 95516, 119395, 191032, 238790, 382064, 477580, 692491, 955160, 1384982, 1910320, 2769964, 3462455, 5539928, 6924910, 11079856, 13849820, 27699640, 55399280]

約数ペア:

[(1, 55399280), (2, 27699640), (4, 13849820), (5, 11079856), (8, 6924910), (10, 5539928), (16, 3462455), (20, 2769964), (29, 1910320), (40, 1384982), (58, 955160), (80, 692491), (116, 477580), (145, 382064), (232, 238790), (290, 191032), (464, 119395), (580, 95516), (1160, 47758), (2320, 23879)]