66804560

素因数分解:

$2^4\times 5^1\times {\mathrm{17}}^1\times {\mathrm{49121}}^1$

素因数の和:49151

約数の個数: 40

約数和(自身を含む): 164460456

約数和(自身を除く): 97655896

約数列:

[1, 2, 4, 5, 8, 10, 16, 17, 20, 34, 40, 68, 80, 85, 136, 170, 272, 340, 680, 1360, 49121, 98242, 196484, 245605, 392968, 491210, 785936, 835057, 982420, 1670114, 1964840, 3340228, 3929680, 4175285, 6680456, 8350570, 13360912, 16701140, 33402280, 66804560]

約数ペア:

[(1, 66804560), (2, 33402280), (4, 16701140), (5, 13360912), (8, 8350570), (10, 6680456), (16, 4175285), (17, 3929680), (20, 3340228), (34, 1964840), (40, 1670114), (68, 982420), (80, 835057), (85, 785936), (136, 491210), (170, 392968), (272, 245605), (340, 196484), (680, 98242), (1360, 49121)]