66422840

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{150961}}^1$

素因数の和:150983

約数の個数: 32

約数和(自身を含む): 163038960

約数和(自身を除く): 96616120

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 150961, 301922, 603844, 754805, 1207688, 1509610, 1660571, 3019220, 3321142, 6038440, 6642284, 8302855, 13284568, 16605710, 33211420, 66422840]

約数ペア:

[(1, 66422840), (2, 33211420), (4, 16605710), (5, 13284568), (8, 8302855), (10, 6642284), (11, 6038440), (20, 3321142), (22, 3019220), (40, 1660571), (44, 1509610), (55, 1207688), (88, 754805), (110, 603844), (220, 301922), (440, 150961)]