90228520

素因数分解:

$2^3\times 5^1\times {\mathrm{17}}^1\times {\mathrm{132689}}^1$

素因数の和:132717

約数の個数: 32

約数和(自身を含む): 214957800

約数和(自身を除く): 124729280

約数列:

[1, 2, 4, 5, 8, 10, 17, 20, 34, 40, 68, 85, 136, 170, 340, 680, 132689, 265378, 530756, 663445, 1061512, 1326890, 2255713, 2653780, 4511426, 5307560, 9022852, 11278565, 18045704, 22557130, 45114260, 90228520]

約数ペア:

[(1, 90228520), (2, 45114260), (4, 22557130), (5, 18045704), (8, 11278565), (10, 9022852), (17, 5307560), (20, 4511426), (34, 2653780), (40, 2255713), (68, 1326890), (85, 1061512), (136, 663445), (170, 530756), (340, 265378), (680, 132689)]