13243780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1627}}^1$

素因数の和:1684

約数の個数: 48

約数和(自身を含む): 31179456

約数和(自身を除く): 17935676

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 37, 44, 55, 74, 110, 148, 185, 220, 370, 407, 740, 814, 1627, 1628, 2035, 3254, 4070, 6508, 8135, 8140, 16270, 17897, 32540, 35794, 60199, 71588, 89485, 120398, 178970, 240796, 300995, 357940, 601990, 662189, 1203980, 1324378, 2648756, 3310945, 6621890, 13243780]

約数ペア:

[(1, 13243780), (2, 6621890), (4, 3310945), (5, 2648756), (10, 1324378), (11, 1203980), (20, 662189), (22, 601990), (37, 357940), (44, 300995), (55, 240796), (74, 178970), (110, 120398), (148, 89485), (185, 71588), (220, 60199), (370, 35794), (407, 32540), (740, 17897), (814, 16270), (1627, 8140), (1628, 8135), (2035, 6508), (3254, 4070)]