6653840

素因数分解:

$2^4\times 5^1\times {\mathrm{31}}^1\times {\mathrm{2683}}^1$

素因数の和:2727

約数の個数: 40

約数和(自身を含む): 15975168

約数和(自身を除く): 9321328

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 31, 40, 62, 80, 124, 155, 248, 310, 496, 620, 1240, 2480, 2683, 5366, 10732, 13415, 21464, 26830, 42928, 53660, 83173, 107320, 166346, 214640, 332692, 415865, 665384, 831730, 1330768, 1663460, 3326920, 6653840]

約数ペア:

[(1, 6653840), (2, 3326920), (4, 1663460), (5, 1330768), (8, 831730), (10, 665384), (16, 415865), (20, 332692), (31, 214640), (40, 166346), (62, 107320), (80, 83173), (124, 53660), (155, 42928), (248, 26830), (310, 21464), (496, 13415), (620, 10732), (1240, 5366), (2480, 2683)]