81888120560

素因数分解:

$2^4\times 5^1\times {\mathrm{2729}}^1\times {\mathrm{375083}}^1$

素因数の和:377825

約数の個数: 40

約数和(自身を含む): 190460153520

約数和(自身を除く): 108572032960

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 2729, 5458, 10916, 13645, 21832, 27290, 43664, 54580, 109160, 218320, 375083, 750166, 1500332, 1875415, 3000664, 3750830, 6001328, 7501660, 15003320, 30006640, 1023601507, 2047203014, 4094406028, 5118007535, 8188812056, 10236015070, 16377624112, 20472030140, 40944060280, 81888120560]

約数ペア:

[(1, 81888120560), (2, 40944060280), (4, 20472030140), (5, 16377624112), (8, 10236015070), (10, 8188812056), (16, 5118007535), (20, 4094406028), (40, 2047203014), (80, 1023601507), (2729, 30006640), (5458, 15003320), (10916, 7501660), (13645, 6001328), (21832, 3750830), (27290, 3000664), (43664, 1875415), (54580, 1500332), (109160, 750166), (218320, 375083)]