2080351990

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{487}}^1\times {\mathrm{22483}}^1$

素因数の和:22996

約数の個数: 32

約数和(自身を含む): 3949989120

約数和(自身を除く): 1869637130

約数列:

[1, 2, 5, 10, 19, 38, 95, 190, 487, 974, 2435, 4870, 9253, 18506, 22483, 44966, 46265, 92530, 112415, 224830, 427177, 854354, 2135885, 4271770, 10949221, 21898442, 54746105, 109492210, 208035199, 416070398, 1040175995, 2080351990]

約数ペア:

[(1, 2080351990), (2, 1040175995), (5, 416070398), (10, 208035199), (19, 109492210), (38, 54746105), (95, 21898442), (190, 10949221), (487, 4271770), (974, 2135885), (2435, 854354), (4870, 427177), (9253, 224830), (18506, 112415), (22483, 92530), (44966, 46265)]