5491460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{21121}}^1$

素因数の和:21143

約数の個数: 24

約数和(自身を含む): 12419736

約数和(自身を除く): 6928276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 21121, 42242, 84484, 105605, 211210, 274573, 422420, 549146, 1098292, 1372865, 2745730, 5491460]

約数ペア:

[(1, 5491460), (2, 2745730), (4, 1372865), (5, 1098292), (10, 549146), (13, 422420), (20, 274573), (26, 211210), (52, 105605), (65, 84484), (130, 42242), (260, 21121)]