71583920

素因数分解:

$2^4\times 5^1\times {\mathrm{53}}^1\times {\mathrm{16883}}^1$

素因数の和:16949

約数の個数: 40

約数和(自身を含む): 169582896

約数和(自身を除く): 97998976

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 53, 80, 106, 212, 265, 424, 530, 848, 1060, 2120, 4240, 16883, 33766, 67532, 84415, 135064, 168830, 270128, 337660, 675320, 894799, 1350640, 1789598, 3579196, 4473995, 7158392, 8947990, 14316784, 17895980, 35791960, 71583920]

約数ペア:

[(1, 71583920), (2, 35791960), (4, 17895980), (5, 14316784), (8, 8947990), (10, 7158392), (16, 4473995), (20, 3579196), (40, 1789598), (53, 1350640), (80, 894799), (106, 675320), (212, 337660), (265, 270128), (424, 168830), (530, 135064), (848, 84415), (1060, 67532), (2120, 33766), (4240, 16883)]