196664780

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{756403}}^1$

素因数の和:756425

約数の個数: 24

約数和(自身を含む): 444765552

約数和(自身を除く): 248100772

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 756403, 1512806, 3025612, 3782015, 7564030, 9833239, 15128060, 19666478, 39332956, 49166195, 98332390, 196664780]

約数ペア:

[(1, 196664780), (2, 98332390), (4, 49166195), (5, 39332956), (10, 19666478), (13, 15128060), (20, 9833239), (26, 7564030), (52, 3782015), (65, 3025612), (130, 1512806), (260, 756403)]