12730520

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{28933}}^1$

素因数の和:28955

約数の個数: 32

約数和(自身を含む): 31248720

約数和(自身を除く): 18518200

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 28933, 57866, 115732, 144665, 231464, 289330, 318263, 578660, 636526, 1157320, 1273052, 1591315, 2546104, 3182630, 6365260, 12730520]

約数ペア:

[(1, 12730520), (2, 6365260), (4, 3182630), (5, 2546104), (8, 1591315), (10, 1273052), (11, 1157320), (20, 636526), (22, 578660), (40, 318263), (44, 289330), (55, 231464), (88, 144665), (110, 115732), (220, 57866), (440, 28933)]