8012840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{18211}}^1$

素因数の和:18233

約数の個数: 32

約数和(自身を含む): 19668960

約数和(自身を除く): 11656120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 18211, 36422, 72844, 91055, 145688, 182110, 200321, 364220, 400642, 728440, 801284, 1001605, 1602568, 2003210, 4006420, 8012840]

約数ペア:

[(1, 8012840), (2, 4006420), (4, 2003210), (5, 1602568), (8, 1001605), (10, 801284), (11, 728440), (20, 400642), (22, 364220), (40, 200321), (44, 182110), (55, 145688), (88, 91055), (110, 72844), (220, 36422), (440, 18211)]