80403856

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{6337}}^1$

素因数の和:6419

約数の個数: 40

約数和(自身を含む): 170542904

約数和(自身を除く): 90139048

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 61, 104, 122, 208, 244, 488, 793, 976, 1586, 3172, 6337, 6344, 12674, 12688, 25348, 50696, 82381, 101392, 164762, 329524, 386557, 659048, 773114, 1318096, 1546228, 3092456, 5025241, 6184912, 10050482, 20100964, 40201928, 80403856]

約数ペア:

[(1, 80403856), (2, 40201928), (4, 20100964), (8, 10050482), (13, 6184912), (16, 5025241), (26, 3092456), (52, 1546228), (61, 1318096), (104, 773114), (122, 659048), (208, 386557), (244, 329524), (488, 164762), (793, 101392), (976, 82381), (1586, 50696), (3172, 25348), (6337, 12688), (6344, 12674)]