207924680

素因数分解:

$2^3\times 5^1\times {\mathrm{1039}}^1\times {\mathrm{5003}}^1$

素因数の和:6053

約数の個数: 32

約数和(自身を含む): 468374400

約数和(自身を除く): 260449720

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 1039, 2078, 4156, 5003, 5195, 8312, 10006, 10390, 20012, 20780, 25015, 40024, 41560, 50030, 100060, 200120, 5198117, 10396234, 20792468, 25990585, 41584936, 51981170, 103962340, 207924680]

約数ペア:

[(1, 207924680), (2, 103962340), (4, 51981170), (5, 41584936), (8, 25990585), (10, 20792468), (20, 10396234), (40, 5198117), (1039, 200120), (2078, 100060), (4156, 50030), (5003, 41560), (5195, 40024), (8312, 25015), (10006, 20780), (10390, 20012)]