89739980

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{9949}}^1$

素因数の和:10010

約数の個数: 48

約数和(自身を含む): 210621600

約数和(自身を除く): 120881620

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 41, 44, 55, 82, 110, 164, 205, 220, 410, 451, 820, 902, 1804, 2255, 4510, 9020, 9949, 19898, 39796, 49745, 99490, 109439, 198980, 218878, 407909, 437756, 547195, 815818, 1094390, 1631636, 2039545, 2188780, 4079090, 4486999, 8158180, 8973998, 17947996, 22434995, 44869990, 89739980]

約数ペア:

[(1, 89739980), (2, 44869990), (4, 22434995), (5, 17947996), (10, 8973998), (11, 8158180), (20, 4486999), (22, 4079090), (41, 2188780), (44, 2039545), (55, 1631636), (82, 1094390), (110, 815818), (164, 547195), (205, 437756), (220, 407909), (410, 218878), (451, 198980), (820, 109439), (902, 99490), (1804, 49745), (2255, 39796), (4510, 19898), (9020, 9949)]