128768980

素因数分解:

$2^2\times 5^1\times {\mathrm{607}}^1\times {\mathrm{10607}}^1$

素因数の和:11223

約数の個数: 24

約数和(自身を含む): 270885888

約数和(自身を除く): 142116908

約数列:

[1, 2, 4, 5, 10, 20, 607, 1214, 2428, 3035, 6070, 10607, 12140, 21214, 42428, 53035, 106070, 212140, 6438449, 12876898, 25753796, 32192245, 64384490, 128768980]

約数ペア:

[(1, 128768980), (2, 64384490), (4, 32192245), (5, 25753796), (10, 12876898), (20, 6438449), (607, 212140), (1214, 106070), (2428, 53035), (3035, 42428), (6070, 21214), (10607, 12140)]