1640570030

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{1355843}}^1$

素因数の和:1355872

約数の個数: 24

約数和(自身を含む): 3245890536

約数和(自身を除く): 1605320506

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 121, 242, 605, 1210, 1355843, 2711686, 6779215, 13558430, 14914273, 29828546, 74571365, 149142730, 164057003, 328114006, 820285015, 1640570030]

約数ペア:

[(1, 1640570030), (2, 820285015), (5, 328114006), (10, 164057003), (11, 149142730), (22, 74571365), (55, 29828546), (110, 14914273), (121, 13558430), (242, 6779215), (605, 2711686), (1210, 1355843)]