16543780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{139}}^1\times {\mathrm{541}}^1$

素因数の和:700

約数の個数: 48

約数和(自身を含む): 38243520

約数和(自身を除く): 21699740

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 139, 220, 278, 541, 556, 695, 1082, 1390, 1529, 2164, 2705, 2780, 3058, 5410, 5951, 6116, 7645, 10820, 11902, 15290, 23804, 29755, 30580, 59510, 75199, 119020, 150398, 300796, 375995, 751990, 827189, 1503980, 1654378, 3308756, 4135945, 8271890, 16543780]

約数ペア:

[(1, 16543780), (2, 8271890), (4, 4135945), (5, 3308756), (10, 1654378), (11, 1503980), (20, 827189), (22, 751990), (44, 375995), (55, 300796), (110, 150398), (139, 119020), (220, 75199), (278, 59510), (541, 30580), (556, 29755), (695, 23804), (1082, 15290), (1390, 11902), (1529, 10820), (2164, 7645), (2705, 6116), (2780, 5951), (3058, 5410)]