20170480

素因数分解:

$2^4\times 5^1\times {\mathrm{11}}^1\times {\mathrm{22921}}^1$

素因数の和:22945

約数の個数: 40

約数和(自身を含む): 51161904

約数和(自身を除く): 30991424

約数列:

[1, 2, 4, 5, 8, 10, 11, 16, 20, 22, 40, 44, 55, 80, 88, 110, 176, 220, 440, 880, 22921, 45842, 91684, 114605, 183368, 229210, 252131, 366736, 458420, 504262, 916840, 1008524, 1260655, 1833680, 2017048, 2521310, 4034096, 5042620, 10085240, 20170480]

約数ペア:

[(1, 20170480), (2, 10085240), (4, 5042620), (5, 4034096), (8, 2521310), (10, 2017048), (11, 1833680), (16, 1260655), (20, 1008524), (22, 916840), (40, 504262), (44, 458420), (55, 366736), (80, 252131), (88, 229210), (110, 183368), (176, 114605), (220, 91684), (440, 45842), (880, 22921)]