42728180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{359}}^1\times {\mathrm{541}}^1$

素因数の和:920

約数の個数: 48

約数和(自身を含む): 98340480

約数和(自身を除く): 55612300

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 359, 541, 718, 1082, 1436, 1795, 2164, 2705, 3590, 3949, 5410, 5951, 7180, 7898, 10820, 11902, 15796, 19745, 23804, 29755, 39490, 59510, 78980, 119020, 194219, 388438, 776876, 971095, 1942190, 2136409, 3884380, 4272818, 8545636, 10682045, 21364090, 42728180]

約数ペア:

[(1, 42728180), (2, 21364090), (4, 10682045), (5, 8545636), (10, 4272818), (11, 3884380), (20, 2136409), (22, 1942190), (44, 971095), (55, 776876), (110, 388438), (220, 194219), (359, 119020), (541, 78980), (718, 59510), (1082, 39490), (1436, 29755), (1795, 23804), (2164, 19745), (2705, 15796), (3590, 11902), (3949, 10820), (5410, 7898), (5951, 7180)]