2027870

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{821}}^1$

素因数の和:860

約数の個数: 32

約数和(自身を含む): 4142880

約数和(自身を除く): 2115010

約数列:

[1, 2, 5, 10, 13, 19, 26, 38, 65, 95, 130, 190, 247, 494, 821, 1235, 1642, 2470, 4105, 8210, 10673, 15599, 21346, 31198, 53365, 77995, 106730, 155990, 202787, 405574, 1013935, 2027870]

約数ペア:

[(1, 2027870), (2, 1013935), (5, 405574), (10, 202787), (13, 155990), (19, 106730), (26, 77995), (38, 53365), (65, 31198), (95, 21346), (130, 15599), (190, 10673), (247, 8210), (494, 4105), (821, 2470), (1235, 1642)]