137888140

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{530339}}^1$

素因数の和:530361

約数の個数: 24

約数和(自身を含む): 311839920

約数和(自身を除く): 173951780

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 530339, 1060678, 2121356, 2651695, 5303390, 6894407, 10606780, 13788814, 27577628, 34472035, 68944070, 137888140]

約数ペア:

[(1, 137888140), (2, 68944070), (4, 34472035), (5, 27577628), (10, 13788814), (13, 10606780), (20, 6894407), (26, 5303390), (52, 2651695), (65, 2121356), (130, 1060678), (260, 530339)]