31368640

素因数分解:

$2^6\times 5^1\times {\mathrm{61}}^1\times {\mathrm{1607}}^1$

素因数の和:1685

約数の個数: 56

約数和(自身を含む): 75968352

約数和(自身を除く): 44599712

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 61, 64, 80, 122, 160, 244, 305, 320, 488, 610, 976, 1220, 1607, 1952, 2440, 3214, 3904, 4880, 6428, 8035, 9760, 12856, 16070, 19520, 25712, 32140, 51424, 64280, 98027, 102848, 128560, 196054, 257120, 392108, 490135, 514240, 784216, 980270, 1568432, 1960540, 3136864, 3921080, 6273728, 7842160, 15684320, 31368640]

約数ペア:

[(1, 31368640), (2, 15684320), (4, 7842160), (5, 6273728), (8, 3921080), (10, 3136864), (16, 1960540), (20, 1568432), (32, 980270), (40, 784216), (61, 514240), (64, 490135), (80, 392108), (122, 257120), (160, 196054), (244, 128560), (305, 102848), (320, 98027), (488, 64280), (610, 51424), (976, 32140), (1220, 25712), (1607, 19520), (1952, 16070), (2440, 12856), (3214, 9760), (3904, 8035), (4880, 6428)]