5428120

素因数分解:

$2^3\times 5^1\times {\mathrm{97}}^1\times {\mathrm{1399}}^1$

素因数の和:1507

約数の個数: 32

約数和(自身を含む): 12348000

約数和(自身を除く): 6919880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 97, 194, 388, 485, 776, 970, 1399, 1940, 2798, 3880, 5596, 6995, 11192, 13990, 27980, 55960, 135703, 271406, 542812, 678515, 1085624, 1357030, 2714060, 5428120]

約数ペア:

[(1, 5428120), (2, 2714060), (4, 1357030), (5, 1085624), (8, 678515), (10, 542812), (20, 271406), (40, 135703), (97, 55960), (194, 27980), (388, 13990), (485, 11192), (776, 6995), (970, 5596), (1399, 3880), (1940, 2798)]