16424240

素因数分解:

$2^4\times 5^1\times 7^1\times {\mathrm{139}}^1\times {\mathrm{211}}^1$

素因数の和:370

約数の個数: 80

約数和(自身を含む): 44163840

約数和(自身を除く): 27739600

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 35, 40, 56, 70, 80, 112, 139, 140, 211, 278, 280, 422, 556, 560, 695, 844, 973, 1055, 1112, 1390, 1477, 1688, 1946, 2110, 2224, 2780, 2954, 3376, 3892, 4220, 4865, 5560, 5908, 7385, 7784, 8440, 9730, 11120, 11816, 14770, 15568, 16880, 19460, 23632, 29329, 29540, 38920, 58658, 59080, 77840, 117316, 118160, 146645, 205303, 234632, 293290, 410606, 469264, 586580, 821212, 1026515, 1173160, 1642424, 2053030, 2346320, 3284848, 4106060, 8212120, 16424240]

約数ペア:

[(1, 16424240), (2, 8212120), (4, 4106060), (5, 3284848), (7, 2346320), (8, 2053030), (10, 1642424), (14, 1173160), (16, 1026515), (20, 821212), (28, 586580), (35, 469264), (40, 410606), (56, 293290), (70, 234632), (80, 205303), (112, 146645), (139, 118160), (140, 117316), (211, 77840), (278, 59080), (280, 58658), (422, 38920), (556, 29540), (560, 29329), (695, 23632), (844, 19460), (973, 16880), (1055, 15568), (1112, 14770), (1390, 11816), (1477, 11120), (1688, 9730), (1946, 8440), (2110, 7784), (2224, 7385), (2780, 5908), (2954, 5560), (3376, 4865), (3892, 4220)]