30477980

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{117223}}^1$

素因数の和:117245

約数の個数: 24

約数和(自身を含む): 68927712

約数和(自身を除く): 38449732

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 117223, 234446, 468892, 586115, 1172230, 1523899, 2344460, 3047798, 6095596, 7619495, 15238990, 30477980]

約数ペア:

[(1, 30477980), (2, 15238990), (4, 7619495), (5, 6095596), (10, 3047798), (13, 2344460), (20, 1523899), (26, 1172230), (52, 586115), (65, 468892), (130, 234446), (260, 117223)]