78840252280

素因数分解:

$2^3\times 5^1\times {\mathrm{28703}}^1\times {\mathrm{68669}}^1$

素因数の和:97383

約数の個数: 32

約数和(自身を含む): 177399331200

約数和(自身を除く): 98559078920

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 28703, 57406, 68669, 114812, 137338, 143515, 229624, 274676, 287030, 343345, 549352, 574060, 686690, 1148120, 1373380, 2746760, 1971006307, 3942012614, 7884025228, 9855031535, 15768050456, 19710063070, 39420126140, 78840252280]

約数ペア:

[(1, 78840252280), (2, 39420126140), (4, 19710063070), (5, 15768050456), (8, 9855031535), (10, 7884025228), (20, 3942012614), (40, 1971006307), (28703, 2746760), (57406, 1373380), (68669, 1148120), (114812, 686690), (137338, 574060), (143515, 549352), (229624, 343345), (274676, 287030)]