12809960

素因数分解:

$2^3\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1093}}^1$

素因数の和:1397

約数の個数: 32

約数和(自身を含む): 28947240

約数和(自身を除く): 16137280

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 293, 586, 1093, 1172, 1465, 2186, 2344, 2930, 4372, 5465, 5860, 8744, 10930, 11720, 21860, 43720, 320249, 640498, 1280996, 1601245, 2561992, 3202490, 6404980, 12809960]

約数ペア:

[(1, 12809960), (2, 6404980), (4, 3202490), (5, 2561992), (8, 1601245), (10, 1280996), (20, 640498), (40, 320249), (293, 43720), (586, 21860), (1093, 11720), (1172, 10930), (1465, 8744), (2186, 5860), (2344, 5465), (2930, 4372)]