12478720

素因数分解:

$2^8\times 5^1\times {\mathrm{9749}}^1$

素因数の和:9770

約数の個数: 36

約数和(自身を含む): 29893500

約数和(自身を除く): 17414780

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 640, 1280, 9749, 19498, 38996, 48745, 77992, 97490, 155984, 194980, 311968, 389960, 623936, 779920, 1247872, 1559840, 2495744, 3119680, 6239360, 12478720]

約数ペア:

[(1, 12478720), (2, 6239360), (4, 3119680), (5, 2495744), (8, 1559840), (10, 1247872), (16, 779920), (20, 623936), (32, 389960), (40, 311968), (64, 194980), (80, 155984), (128, 97490), (160, 77992), (256, 48745), (320, 38996), (640, 19498), (1280, 9749)]