12656840

素因数分解:

$2^3\times 5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{2659}}^1$

素因数の和:2694

約数の個数: 64

約数和(自身を含む): 34473600

約数和(自身を除く): 21816760

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 17, 20, 28, 34, 35, 40, 56, 68, 70, 85, 119, 136, 140, 170, 238, 280, 340, 476, 595, 680, 952, 1190, 2380, 2659, 4760, 5318, 10636, 13295, 18613, 21272, 26590, 37226, 45203, 53180, 74452, 90406, 93065, 106360, 148904, 180812, 186130, 226015, 316421, 361624, 372260, 452030, 632842, 744520, 904060, 1265684, 1582105, 1808120, 2531368, 3164210, 6328420, 12656840]

約数ペア:

[(1, 12656840), (2, 6328420), (4, 3164210), (5, 2531368), (7, 1808120), (8, 1582105), (10, 1265684), (14, 904060), (17, 744520), (20, 632842), (28, 452030), (34, 372260), (35, 361624), (40, 316421), (56, 226015), (68, 186130), (70, 180812), (85, 148904), (119, 106360), (136, 93065), (140, 90406), (170, 74452), (238, 53180), (280, 45203), (340, 37226), (476, 26590), (595, 21272), (680, 18613), (952, 13295), (1190, 10636), (2380, 5318), (2659, 4760)]