131394320

素因数分解:

$2^4\times 5^1\times {\mathrm{1109}}^1\times {\mathrm{1481}}^1$

素因数の和:2603

約数の個数: 40

約数和(自身を含む): 305973720

約数和(自身を除く): 174579400

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 1109, 1481, 2218, 2962, 4436, 5545, 5924, 7405, 8872, 11090, 11848, 14810, 17744, 22180, 23696, 29620, 44360, 59240, 88720, 118480, 1642429, 3284858, 6569716, 8212145, 13139432, 16424290, 26278864, 32848580, 65697160, 131394320]

約数ペア:

[(1, 131394320), (2, 65697160), (4, 32848580), (5, 26278864), (8, 16424290), (10, 13139432), (16, 8212145), (20, 6569716), (40, 3284858), (80, 1642429), (1109, 118480), (1481, 88720), (2218, 59240), (2962, 44360), (4436, 29620), (5545, 23696), (5924, 22180), (7405, 17744), (8872, 14810), (11090, 11848)]