99899020

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{384227}}^1$

素因数の和:384249

約数の個数: 24

約数和(自身を含む): 225926064

約数和(自身を除く): 126027044

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 384227, 768454, 1536908, 1921135, 3842270, 4994951, 7684540, 9989902, 19979804, 24974755, 49949510, 99899020]

約数ペア:

[(1, 99899020), (2, 49949510), (4, 24974755), (5, 19979804), (10, 9989902), (13, 7684540), (20, 4994951), (26, 3842270), (52, 1921135), (65, 1536908), (130, 768454), (260, 384227)]