71112340

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{479}}^1\times {\mathrm{571}}^1$

素因数の和:1072

約数の個数: 48

約数和(自身を含む): 161441280

約数和(自身を除く): 90328940

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 479, 571, 958, 1142, 1916, 2284, 2395, 2855, 4790, 5710, 6227, 7423, 9580, 11420, 12454, 14846, 24908, 29692, 31135, 37115, 62270, 74230, 124540, 148460, 273509, 547018, 1094036, 1367545, 2735090, 3555617, 5470180, 7111234, 14222468, 17778085, 35556170, 71112340]

約数ペア:

[(1, 71112340), (2, 35556170), (4, 17778085), (5, 14222468), (10, 7111234), (13, 5470180), (20, 3555617), (26, 2735090), (52, 1367545), (65, 1094036), (130, 547018), (260, 273509), (479, 148460), (571, 124540), (958, 74230), (1142, 62270), (1916, 37115), (2284, 31135), (2395, 29692), (2855, 24908), (4790, 14846), (5710, 12454), (6227, 11420), (7423, 9580)]