66608650

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{647}}^1$

素因数の和:759

約数の個数: 48

約数和(自身を含む): 130170240

約数和(自身を除く): 63561590

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 71, 142, 145, 290, 355, 647, 710, 725, 1294, 1450, 1775, 2059, 3235, 3550, 4118, 6470, 10295, 16175, 18763, 20590, 32350, 37526, 45937, 51475, 91874, 93815, 102950, 187630, 229685, 459370, 469075, 938150, 1148425, 1332173, 2296850, 2664346, 6660865, 13321730, 33304325, 66608650]

約数ペア:

[(1, 66608650), (2, 33304325), (5, 13321730), (10, 6660865), (25, 2664346), (29, 2296850), (50, 1332173), (58, 1148425), (71, 938150), (142, 469075), (145, 459370), (290, 229685), (355, 187630), (647, 102950), (710, 93815), (725, 91874), (1294, 51475), (1450, 45937), (1775, 37526), (2059, 32350), (3235, 20590), (3550, 18763), (4118, 16175), (6470, 10295)]