208551460

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{802121}}^1$

素因数の和:802143

約数の個数: 24

約数和(自身を含む): 471647736

約数和(自身を除く): 263096276

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 802121, 1604242, 3208484, 4010605, 8021210, 10427573, 16042420, 20855146, 41710292, 52137865, 104275730, 208551460]

約数ペア:

[(1, 208551460), (2, 104275730), (4, 52137865), (5, 41710292), (10, 20855146), (13, 16042420), (20, 10427573), (26, 8021210), (52, 4010605), (65, 3208484), (130, 1604242), (260, 802121)]