18345495440

素因数分解:

$2^4\times 5^1\times {\mathrm{127}}^1\times {\mathrm{673}}^1\times {\mathrm{2683}}^1$

素因数の和:3496

約数の個数: 80

約数和(自身を含む): 43069052928

約数和(自身を除く): 24723557488

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 127, 254, 508, 635, 673, 1016, 1270, 1346, 2032, 2540, 2683, 2692, 3365, 5080, 5366, 5384, 6730, 10160, 10732, 10768, 13415, 13460, 21464, 26830, 26920, 42928, 53660, 53840, 85471, 107320, 170942, 214640, 340741, 341884, 427355, 681482, 683768, 854710, 1362964, 1367536, 1703705, 1709420, 1805659, 2725928, 3407410, 3418840, 3611318, 5451856, 6814820, 6837680, 7222636, 9028295, 13629640, 14445272, 18056590, 27259280, 28890544, 36113180, 72226360, 144452720, 229318693, 458637386, 917274772, 1146593465, 1834549544, 2293186930, 3669099088, 4586373860, 9172747720, 18345495440]

約数ペア:

[(1, 18345495440), (2, 9172747720), (4, 4586373860), (5, 3669099088), (8, 2293186930), (10, 1834549544), (16, 1146593465), (20, 917274772), (40, 458637386), (80, 229318693), (127, 144452720), (254, 72226360), (508, 36113180), (635, 28890544), (673, 27259280), (1016, 18056590), (1270, 14445272), (1346, 13629640), (2032, 9028295), (2540, 7222636), (2683, 6837680), (2692, 6814820), (3365, 5451856), (5080, 3611318), (5366, 3418840), (5384, 3407410), (6730, 2725928), (10160, 1805659), (10732, 1709420), (10768, 1703705), (13415, 1367536), (13460, 1362964), (21464, 854710), (26830, 683768), (26920, 681482), (42928, 427355), (53660, 341884), (53840, 340741), (85471, 214640), (107320, 170942)]