72054580

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{643}}^1$

素因数の和:1096

約数の個数: 48

約数和(自身を含む): 163586304

約数和(自身を除く): 91531724

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 431, 643, 862, 1286, 1724, 2155, 2572, 3215, 4310, 5603, 6430, 8359, 8620, 11206, 12860, 16718, 22412, 28015, 33436, 41795, 56030, 83590, 112060, 167180, 277133, 554266, 1108532, 1385665, 2771330, 3602729, 5542660, 7205458, 14410916, 18013645, 36027290, 72054580]

約数ペア:

[(1, 72054580), (2, 36027290), (4, 18013645), (5, 14410916), (10, 7205458), (13, 5542660), (20, 3602729), (26, 2771330), (52, 1385665), (65, 1108532), (130, 554266), (260, 277133), (431, 167180), (643, 112060), (862, 83590), (1286, 56030), (1724, 41795), (2155, 33436), (2572, 28015), (3215, 22412), (4310, 16718), (5603, 12860), (6430, 11206), (8359, 8620)]