331291280

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{12511}}^1$

素因数の和:12855

約数の個数: 40

約数和(自身を含む): 772641024

約数和(自身を除く): 441349744

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1324, 1655, 2648, 3310, 5296, 6620, 12511, 13240, 25022, 26480, 50044, 62555, 100088, 125110, 200176, 250220, 500440, 1000880, 4141141, 8282282, 16564564, 20705705, 33129128, 41411410, 66258256, 82822820, 165645640, 331291280]

約数ペア:

[(1, 331291280), (2, 165645640), (4, 82822820), (5, 66258256), (8, 41411410), (10, 33129128), (16, 20705705), (20, 16564564), (40, 8282282), (80, 4141141), (331, 1000880), (662, 500440), (1324, 250220), (1655, 200176), (2648, 125110), (3310, 100088), (5296, 62555), (6620, 50044), (12511, 26480), (13240, 25022)]