12783980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{58109}}^1$

素因数の和:58129

約数の個数: 24

約数和(自身を含む): 29287440

約数和(自身を除く): 16503460

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 58109, 116218, 232436, 290545, 581090, 639199, 1162180, 1278398, 2556796, 3195995, 6391990, 12783980]

約数ペア:

[(1, 12783980), (2, 6391990), (4, 3195995), (5, 2556796), (10, 1278398), (11, 1162180), (20, 639199), (22, 581090), (44, 290545), (55, 232436), (110, 116218), (220, 58109)]