40507904

素因数分解:

$2^9\times {\mathrm{61}}^1\times {\mathrm{1297}}^1$

素因数の和:1376

約数の個数: 40

約数和(自身を含む): 82326948

約数和(自身を除く): 41819044

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 128, 244, 256, 488, 512, 976, 1297, 1952, 2594, 3904, 5188, 7808, 10376, 15616, 20752, 31232, 41504, 79117, 83008, 158234, 166016, 316468, 332032, 632936, 664064, 1265872, 2531744, 5063488, 10126976, 20253952, 40507904]

約数ペア:

[(1, 40507904), (2, 20253952), (4, 10126976), (8, 5063488), (16, 2531744), (32, 1265872), (61, 664064), (64, 632936), (122, 332032), (128, 316468), (244, 166016), (256, 158234), (488, 83008), (512, 79117), (976, 41504), (1297, 31232), (1952, 20752), (2594, 15616), (3904, 10376), (5188, 7808)]