31851280

素因数分解:

$2^4\times 5^1\times {\mathrm{29}}^1\times {\mathrm{13729}}^1$

素因数の和:13771

約数の個数: 40

約数和(自身を含む): 76613400

約数和(自身を除く): 44762120

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 29, 40, 58, 80, 116, 145, 232, 290, 464, 580, 1160, 2320, 13729, 27458, 54916, 68645, 109832, 137290, 219664, 274580, 398141, 549160, 796282, 1098320, 1592564, 1990705, 3185128, 3981410, 6370256, 7962820, 15925640, 31851280]

約数ペア:

[(1, 31851280), (2, 15925640), (4, 7962820), (5, 6370256), (8, 3981410), (10, 3185128), (16, 1990705), (20, 1592564), (29, 1098320), (40, 796282), (58, 549160), (80, 398141), (116, 274580), (145, 219664), (232, 137290), (290, 109832), (464, 68645), (580, 54916), (1160, 27458), (2320, 13729)]