28942640

素因数分解:

$2^4\times 5^1\times {\mathrm{331}}^1\times {\mathrm{1093}}^1$

素因数の和:1437

約数の個数: 40

約数和(自身を含む): 67556688

約数和(自身を除く): 38614048

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 331, 662, 1093, 1324, 1655, 2186, 2648, 3310, 4372, 5296, 5465, 6620, 8744, 10930, 13240, 17488, 21860, 26480, 43720, 87440, 361783, 723566, 1447132, 1808915, 2894264, 3617830, 5788528, 7235660, 14471320, 28942640]

約数ペア:

[(1, 28942640), (2, 14471320), (4, 7235660), (5, 5788528), (8, 3617830), (10, 2894264), (16, 1808915), (20, 1447132), (40, 723566), (80, 361783), (331, 87440), (662, 43720), (1093, 26480), (1324, 21860), (1655, 17488), (2186, 13240), (2648, 10930), (3310, 8744), (4372, 6620), (5296, 5465)]