1291143760

素因数分解:

$2^4\times 5^1\times {\mathrm{307}}^1\times {\mathrm{52571}}^1$

素因数の和:52891

約数の個数: 40

約数和(自身を含む): 3011744736

約数和(自身を除く): 1720600976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 307, 614, 1228, 1535, 2456, 3070, 4912, 6140, 12280, 24560, 52571, 105142, 210284, 262855, 420568, 525710, 841136, 1051420, 2102840, 4205680, 16139297, 32278594, 64557188, 80696485, 129114376, 161392970, 258228752, 322785940, 645571880, 1291143760]

約数ペア:

[(1, 1291143760), (2, 645571880), (4, 322785940), (5, 258228752), (8, 161392970), (10, 129114376), (16, 80696485), (20, 64557188), (40, 32278594), (80, 16139297), (307, 4205680), (614, 2102840), (1228, 1051420), (1535, 841136), (2456, 525710), (3070, 420568), (4912, 262855), (6140, 210284), (12280, 105142), (24560, 52571)]