139395880

素因数分解:

$2^3\times 5^1\times {\mathrm{13}}^1\times {\mathrm{268069}}^1$

素因数の和:268093

約数の個数: 32

約数和(自身を含む): 337768200

約数和(自身を除く): 198372320

約数列:

[1, 2, 4, 5, 8, 10, 13, 20, 26, 40, 52, 65, 104, 130, 260, 520, 268069, 536138, 1072276, 1340345, 2144552, 2680690, 3484897, 5361380, 6969794, 10722760, 13939588, 17424485, 27879176, 34848970, 69697940, 139395880]

約数ペア:

[(1, 139395880), (2, 69697940), (4, 34848970), (5, 27879176), (8, 17424485), (10, 13939588), (13, 10722760), (20, 6969794), (26, 5361380), (40, 3484897), (52, 2680690), (65, 2144552), (104, 1340345), (130, 1072276), (260, 536138), (520, 268069)]