619262020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2381777}}^1$

素因数の和:2381799

約数の個数: 24

約数和(自身を含む): 1400485464

約数和(自身を除く): 781223444

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 2381777, 4763554, 9527108, 11908885, 23817770, 30963101, 47635540, 61926202, 123852404, 154815505, 309631010, 619262020]

約数ペア:

[(1, 619262020), (2, 309631010), (4, 154815505), (5, 123852404), (10, 61926202), (13, 47635540), (20, 30963101), (26, 23817770), (52, 11908885), (65, 9527108), (130, 4763554), (260, 2381777)]