115586540

素因数分解:

$2^2\times 5^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{281}}^1$

素因数の和:578

約数の個数: 48

約数和(自身を含む): 247018464

約数和(自身を除く): 131431924

約数列:

[1, 2, 4, 5, 10, 20, 131, 157, 262, 281, 314, 524, 562, 628, 655, 785, 1124, 1310, 1405, 1570, 2620, 2810, 3140, 5620, 20567, 36811, 41134, 44117, 73622, 82268, 88234, 102835, 147244, 176468, 184055, 205670, 220585, 368110, 411340, 441170, 736220, 882340, 5779327, 11558654, 23117308, 28896635, 57793270, 115586540]

約数ペア:

[(1, 115586540), (2, 57793270), (4, 28896635), (5, 23117308), (10, 11558654), (20, 5779327), (131, 882340), (157, 736220), (262, 441170), (281, 411340), (314, 368110), (524, 220585), (562, 205670), (628, 184055), (655, 176468), (785, 147244), (1124, 102835), (1310, 88234), (1405, 82268), (1570, 73622), (2620, 44117), (2810, 41134), (3140, 36811), (5620, 20567)]