19778593360

素因数分解:

$2^4\times 5^1\times {\mathrm{659}}^1\times {\mathrm{375163}}^1$

素因数の和:375835

約数の個数: 40

約数和(自身を含む): 46055132640

約数和(自身を除く): 26276539280

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 659, 1318, 2636, 3295, 5272, 6590, 10544, 13180, 26360, 52720, 375163, 750326, 1500652, 1875815, 3001304, 3751630, 6002608, 7503260, 15006520, 30013040, 247232417, 494464834, 988929668, 1236162085, 1977859336, 2472324170, 3955718672, 4944648340, 9889296680, 19778593360]

約数ペア:

[(1, 19778593360), (2, 9889296680), (4, 4944648340), (5, 3955718672), (8, 2472324170), (10, 1977859336), (16, 1236162085), (20, 988929668), (40, 494464834), (80, 247232417), (659, 30013040), (1318, 15006520), (2636, 7503260), (3295, 6002608), (5272, 3751630), (6590, 3001304), (10544, 1875815), (13180, 1500652), (26360, 750326), (52720, 375163)]