64705120

素因数分解:

$2^5\times 5^1\times {\mathrm{283}}^1\times {\mathrm{1429}}^1$

素因数の和:1727

約数の個数: 48

約数和(自身を含む): 153513360

約数和(自身を除く): 88808240

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 80, 160, 283, 566, 1132, 1415, 1429, 2264, 2830, 2858, 4528, 5660, 5716, 7145, 9056, 11320, 11432, 14290, 22640, 22864, 28580, 45280, 45728, 57160, 114320, 228640, 404407, 808814, 1617628, 2022035, 3235256, 4044070, 6470512, 8088140, 12941024, 16176280, 32352560, 64705120]

約数ペア:

[(1, 64705120), (2, 32352560), (4, 16176280), (5, 12941024), (8, 8088140), (10, 6470512), (16, 4044070), (20, 3235256), (32, 2022035), (40, 1617628), (80, 808814), (160, 404407), (283, 228640), (566, 114320), (1132, 57160), (1415, 45728), (1429, 45280), (2264, 28580), (2830, 22864), (2858, 22640), (4528, 14290), (5660, 11432), (5716, 11320), (7145, 9056)]