12782560

素因数分解:

$2^5\times 5^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{113}}^1$

素因数の和:236

約数の個数: 96

約数和(自身を含む): 35163072

約数和(自身を除く): 22380512

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 28, 32, 35, 40, 56, 70, 80, 101, 112, 113, 140, 160, 202, 224, 226, 280, 404, 452, 505, 560, 565, 707, 791, 808, 904, 1010, 1120, 1130, 1414, 1582, 1616, 1808, 2020, 2260, 2828, 3164, 3232, 3535, 3616, 3955, 4040, 4520, 5656, 6328, 7070, 7910, 8080, 9040, 11312, 11413, 12656, 14140, 15820, 16160, 18080, 22624, 22826, 25312, 28280, 31640, 45652, 56560, 57065, 63280, 79891, 91304, 113120, 114130, 126560, 159782, 182608, 228260, 319564, 365216, 399455, 456520, 639128, 798910, 913040, 1278256, 1597820, 1826080, 2556512, 3195640, 6391280, 12782560]

約数ペア:

[(1, 12782560), (2, 6391280), (4, 3195640), (5, 2556512), (7, 1826080), (8, 1597820), (10, 1278256), (14, 913040), (16, 798910), (20, 639128), (28, 456520), (32, 399455), (35, 365216), (40, 319564), (56, 228260), (70, 182608), (80, 159782), (101, 126560), (112, 114130), (113, 113120), (140, 91304), (160, 79891), (202, 63280), (224, 57065), (226, 56560), (280, 45652), (404, 31640), (452, 28280), (505, 25312), (560, 22826), (565, 22624), (707, 18080), (791, 16160), (808, 15820), (904, 14140), (1010, 12656), (1120, 11413), (1130, 11312), (1414, 9040), (1582, 8080), (1616, 7910), (1808, 7070), (2020, 6328), (2260, 5656), (2828, 4520), (3164, 4040), (3232, 3955), (3535, 3616)]