66421960

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{150959}}^1$

素因数の和:150981

約数の個数: 32

約数和(自身を含む): 163036800

約数和(自身を除く): 96614840

約数列:

[1, 2, 4, 5, 8, 10, 11, 20, 22, 40, 44, 55, 88, 110, 220, 440, 150959, 301918, 603836, 754795, 1207672, 1509590, 1660549, 3019180, 3321098, 6038360, 6642196, 8302745, 13284392, 16605490, 33210980, 66421960]

約数ペア:

[(1, 66421960), (2, 33210980), (4, 16605490), (5, 13284392), (8, 8302745), (10, 6642196), (11, 6038360), (20, 3321098), (22, 3019180), (40, 1660549), (44, 1509590), (55, 1207672), (88, 754795), (110, 603836), (220, 301918), (440, 150959)]