39642850

素因数分解:

$2^1\times 5^2\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{859}}^1$

素因数の和:955

約数の個数: 48

約数和(自身を含む): 80619840

約数和(自身を除く): 40976990

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 71, 130, 142, 325, 355, 650, 710, 859, 923, 1718, 1775, 1846, 3550, 4295, 4615, 8590, 9230, 11167, 21475, 22334, 23075, 42950, 46150, 55835, 60989, 111670, 121978, 279175, 304945, 558350, 609890, 792857, 1524725, 1585714, 3049450, 3964285, 7928570, 19821425, 39642850]

約数ペア:

[(1, 39642850), (2, 19821425), (5, 7928570), (10, 3964285), (13, 3049450), (25, 1585714), (26, 1524725), (50, 792857), (65, 609890), (71, 558350), (130, 304945), (142, 279175), (325, 121978), (355, 111670), (650, 60989), (710, 55835), (859, 46150), (923, 42950), (1718, 23075), (1775, 22334), (1846, 21475), (3550, 11167), (4295, 9230), (4615, 8590)]