54917980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{11117}}^1$

素因数の和:11158

約数の個数: 48

約数和(自身を含む): 130747680

約数和(自身を除く): 75829700

約数列:

[1, 2, 4, 5, 10, 13, 19, 20, 26, 38, 52, 65, 76, 95, 130, 190, 247, 260, 380, 494, 988, 1235, 2470, 4940, 11117, 22234, 44468, 55585, 111170, 144521, 211223, 222340, 289042, 422446, 578084, 722605, 844892, 1056115, 1445210, 2112230, 2745899, 2890420, 4224460, 5491798, 10983596, 13729495, 27458990, 54917980]

約数ペア:

[(1, 54917980), (2, 27458990), (4, 13729495), (5, 10983596), (10, 5491798), (13, 4224460), (19, 2890420), (20, 2745899), (26, 2112230), (38, 1445210), (52, 1056115), (65, 844892), (76, 722605), (95, 578084), (130, 422446), (190, 289042), (247, 222340), (260, 211223), (380, 144521), (494, 111170), (988, 55585), (1235, 44468), (2470, 22234), (4940, 11117)]