28143980

素因数分解:

$2^2\times 5^1\times {\mathrm{241}}^1\times {\mathrm{5839}}^1$

素因数の和:6089

約数の個数: 24

約数和(自身を含む): 59357760

約数和(自身を除く): 31213780

約数列:

[1, 2, 4, 5, 10, 20, 241, 482, 964, 1205, 2410, 4820, 5839, 11678, 23356, 29195, 58390, 116780, 1407199, 2814398, 5628796, 7035995, 14071990, 28143980]

約数ペア:

[(1, 28143980), (2, 14071990), (4, 7035995), (5, 5628796), (10, 2814398), (20, 1407199), (241, 116780), (482, 58390), (964, 29195), (1205, 23356), (2410, 11678), (4820, 5839)]