66821480

素因数分解:

$2^3\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{7993}}^1$

素因数の和:8034

約数の個数: 64

約数和(自身を含む): 172670400

約数和(自身を除く): 105848920

約数列:

[1, 2, 4, 5, 8, 10, 11, 19, 20, 22, 38, 40, 44, 55, 76, 88, 95, 110, 152, 190, 209, 220, 380, 418, 440, 760, 836, 1045, 1672, 2090, 4180, 7993, 8360, 15986, 31972, 39965, 63944, 79930, 87923, 151867, 159860, 175846, 303734, 319720, 351692, 439615, 607468, 703384, 759335, 879230, 1214936, 1518670, 1670537, 1758460, 3037340, 3341074, 3516920, 6074680, 6682148, 8352685, 13364296, 16705370, 33410740, 66821480]

約数ペア:

[(1, 66821480), (2, 33410740), (4, 16705370), (5, 13364296), (8, 8352685), (10, 6682148), (11, 6074680), (19, 3516920), (20, 3341074), (22, 3037340), (38, 1758460), (40, 1670537), (44, 1518670), (55, 1214936), (76, 879230), (88, 759335), (95, 703384), (110, 607468), (152, 439615), (190, 351692), (209, 319720), (220, 303734), (380, 175846), (418, 159860), (440, 151867), (760, 87923), (836, 79930), (1045, 63944), (1672, 39965), (2090, 31972), (4180, 15986), (7993, 8360)]