31659940

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{263}}^1\times {\mathrm{463}}^1$

素因数の和:748

約数の個数: 48

約数和(自身を含む): 72027648

約数和(自身を除く): 40367708

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 263, 463, 526, 926, 1052, 1315, 1852, 2315, 2630, 3419, 4630, 5260, 6019, 6838, 9260, 12038, 13676, 17095, 24076, 30095, 34190, 60190, 68380, 120380, 121769, 243538, 487076, 608845, 1217690, 1582997, 2435380, 3165994, 6331988, 7914985, 15829970, 31659940]

約数ペア:

[(1, 31659940), (2, 15829970), (4, 7914985), (5, 6331988), (10, 3165994), (13, 2435380), (20, 1582997), (26, 1217690), (52, 608845), (65, 487076), (130, 243538), (260, 121769), (263, 120380), (463, 68380), (526, 60190), (926, 34190), (1052, 30095), (1315, 24076), (1852, 17095), (2315, 13676), (2630, 12038), (3419, 9260), (4630, 6838), (5260, 6019)]