13123630

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{643}}^1$

素因数の和:820

約数の個数: 32

約数和(自身を含む): 25641504

約数和(自身を除く): 12517874

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 157, 314, 643, 785, 1286, 1570, 2041, 3215, 4082, 6430, 8359, 10205, 16718, 20410, 41795, 83590, 100951, 201902, 504755, 1009510, 1312363, 2624726, 6561815, 13123630]

約数ペア:

[(1, 13123630), (2, 6561815), (5, 2624726), (10, 1312363), (13, 1009510), (26, 504755), (65, 201902), (130, 100951), (157, 83590), (314, 41795), (643, 20410), (785, 16718), (1286, 10205), (1570, 8359), (2041, 6430), (3215, 4082)]