51793880

素因数分解:

$2^3\times 5^1\times {\mathrm{61}}^1\times {\mathrm{21227}}^1$

素因数の和:21299

約数の個数: 32

約数和(自身を含む): 118452240

約数和(自身を除く): 66658360

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 61, 122, 244, 305, 488, 610, 1220, 2440, 21227, 42454, 84908, 106135, 169816, 212270, 424540, 849080, 1294847, 2589694, 5179388, 6474235, 10358776, 12948470, 25896940, 51793880]

約数ペア:

[(1, 51793880), (2, 25896940), (4, 12948470), (5, 10358776), (8, 6474235), (10, 5179388), (20, 2589694), (40, 1294847), (61, 849080), (122, 424540), (244, 212270), (305, 169816), (488, 106135), (610, 84908), (1220, 42454), (2440, 21227)]