18091587320

素因数分解:

$2^3\times 5^1\times {\mathrm{131}}^1\times {\mathrm{211}}^1\times {\mathrm{16363}}^1$

素因数の和:16716

約数の個数: 64

約数和(自身を含む): 41213715840

約数和(自身を除く): 23122128520

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 131, 211, 262, 422, 524, 655, 844, 1048, 1055, 1310, 1688, 2110, 2620, 4220, 5240, 8440, 16363, 27641, 32726, 55282, 65452, 81815, 110564, 130904, 138205, 163630, 221128, 276410, 327260, 552820, 654520, 1105640, 2143553, 3452593, 4287106, 6905186, 8574212, 10717765, 13810372, 17148424, 17262965, 21435530, 27620744, 34525930, 42871060, 69051860, 85742120, 138103720, 452289683, 904579366, 1809158732, 2261448415, 3618317464, 4522896830, 9045793660, 18091587320]

約数ペア:

[(1, 18091587320), (2, 9045793660), (4, 4522896830), (5, 3618317464), (8, 2261448415), (10, 1809158732), (20, 904579366), (40, 452289683), (131, 138103720), (211, 85742120), (262, 69051860), (422, 42871060), (524, 34525930), (655, 27620744), (844, 21435530), (1048, 17262965), (1055, 17148424), (1310, 13810372), (1688, 10717765), (2110, 8574212), (2620, 6905186), (4220, 4287106), (5240, 3452593), (8440, 2143553), (16363, 1105640), (27641, 654520), (32726, 552820), (55282, 327260), (65452, 276410), (81815, 221128), (110564, 163630), (130904, 138205)]