2115280340

素因数分解:

$2^2\times 5^1\times {\mathrm{163}}^1\times {\mathrm{648859}}^1$

素因数の和:649031

約数の個数: 24

約数和(自身を含む): 4469347680

約数和(自身を除く): 2354067340

約数列:

[1, 2, 4, 5, 10, 20, 163, 326, 652, 815, 1630, 3260, 648859, 1297718, 2595436, 3244295, 6488590, 12977180, 105764017, 211528034, 423056068, 528820085, 1057640170, 2115280340]

約数ペア:

[(1, 2115280340), (2, 1057640170), (4, 528820085), (5, 423056068), (10, 211528034), (20, 105764017), (163, 12977180), (326, 6488590), (652, 3244295), (815, 2595436), (1630, 1297718), (3260, 648859)]