12080860

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{617}}^1$

素因数の和:726

約数の個数: 48

約数和(自身を含む): 28032480

約数和(自身を除く): 15951620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 89, 110, 178, 220, 356, 445, 617, 890, 979, 1234, 1780, 1958, 2468, 3085, 3916, 4895, 6170, 6787, 9790, 12340, 13574, 19580, 27148, 33935, 54913, 67870, 109826, 135740, 219652, 274565, 549130, 604043, 1098260, 1208086, 2416172, 3020215, 6040430, 12080860]

約数ペア:

[(1, 12080860), (2, 6040430), (4, 3020215), (5, 2416172), (10, 1208086), (11, 1098260), (20, 604043), (22, 549130), (44, 274565), (55, 219652), (89, 135740), (110, 109826), (178, 67870), (220, 54913), (356, 33935), (445, 27148), (617, 19580), (890, 13574), (979, 12340), (1234, 9790), (1780, 6787), (1958, 6170), (2468, 4895), (3085, 3916)]