131430920

素因数分解:

$2^3\times 5^1\times {\mathrm{191}}^1\times {\mathrm{17203}}^1$

素因数の和:17405

約数の個数: 32

約数和(自身を含む): 297285120

約数和(自身を除く): 165854200

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 191, 382, 764, 955, 1528, 1910, 3820, 7640, 17203, 34406, 68812, 86015, 137624, 172030, 344060, 688120, 3285773, 6571546, 13143092, 16428865, 26286184, 32857730, 65715460, 131430920]

約数ペア:

[(1, 131430920), (2, 65715460), (4, 32857730), (5, 26286184), (8, 16428865), (10, 13143092), (20, 6571546), (40, 3285773), (191, 688120), (382, 344060), (764, 172030), (955, 137624), (1528, 86015), (1910, 68812), (3820, 34406), (7640, 17203)]