1230656440

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{2366647}}^1$

素因数の和:2366671

約数の個数: 32

約数和(自身を含む): 2981976480

約数和(自身を除く): 1751320040

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 2366647, 4733294, 9466588, 11833235, 18933176, 23666470, 30766411, 47332940, 61532822, 94665880, 123065644, 153832055, 246131288, 307664110, 615328220, 1230656440]

約数ペア:

[(1, 1230656440), (2, 615328220), (4, 307664110), (5, 246131288), (8, 153832055), (10, 123065644), (13, 94665880), (20, 61532822), (26, 47332940), (40, 30766411), (52, 23666470), (65, 18933176), (104, 11833235), (130, 9466588), (260, 4733294), (520, 2366647)]