1330695680

素因数分解:

$2^9\times 5^1\times {\mathrm{519803}}^1$

素因数の和:519826

約数の個数: 40

約数和(自身を含む): 3190556952

約数和(自身を除く): 1859861272

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 32, 40, 64, 80, 128, 160, 256, 320, 512, 640, 1280, 2560, 519803, 1039606, 2079212, 2599015, 4158424, 5198030, 8316848, 10396060, 16633696, 20792120, 33267392, 41584240, 66534784, 83168480, 133069568, 166336960, 266139136, 332673920, 665347840, 1330695680]

約数ペア:

[(1, 1330695680), (2, 665347840), (4, 332673920), (5, 266139136), (8, 166336960), (10, 133069568), (16, 83168480), (20, 66534784), (32, 41584240), (40, 33267392), (64, 20792120), (80, 16633696), (128, 10396060), (160, 8316848), (256, 5198030), (320, 4158424), (512, 2599015), (640, 2079212), (1280, 1039606), (2560, 519803)]